Category Archives: Skype for Business

Deleting Old Skype for Business or Lync server from ADSI

The story

I had a project few weeks ago where my client wanted to install Skype for Business 2019 but had installed Lync before and removed the server without doing proper decommissioning which kept dirty records in AD database and had to be removed manually in order to make a new clean installation of Skype for Business 2019

To do so:

There are two days of doing so, One is using ADSIEdit and ADUC to remove Computer Objects and Users related attributes and Security Groups.

I normally would prefer PowerShell but since we can demonstrate both ways for people who like to work with GUI

Starting with GUI

Removing Legacy Lync server from the AD Schema

Prerequisites

  1. Using a domain or enterprise admin
  2. Access to the ADSIEdit.

Goal of removing Legacy Lync server from your AD environment.

  1. Preparing AD schema and domain for a new deployment after you improperly deleted Lync Servers without uninstalling them.
  2. Cleaning Users’ Lync related attributes for the new deployment.

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Step#1: Remove permissions

This step removes the original Lync permissions from the active director.

  1. Open Active Directory Users and Computers
  2. Right click on your top level domain being cleaned and select Properties
  3. From the Properties windows, select the Security tab.
  4. Remove all security users titled RTC*
    These are usually
    – RTCUniversalServerReadOnlyGroup
    – RTCUniversalUserReadOnlyGroup
    – RTCUniversalUniversalServices
    – RTCUniversalUserAdmins

From <http://blog.armgasys.com/?p=320>

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  1. Repeat the same steps for each of the following AD Folders and

    OUs
    NOTE: Not all RTC permissions will exist in each AD Folder or OU, but these three OUs do:
    – Domain Controllers
    – System
    – Users

Domain Controllers

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Systems

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Users

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Step#3: Additional AD cleanup

  1. Open Active Directory Users and Computers
  2. Drill down as follows
    [Your Domain] \ Program Data \ Distributed \ KeyMan
  3. Delete LyncCertificates
    NOTE: This may not exist in all scenarios.
  4. Drill down as follows
    [Your Domain] Users
  5. Delete all RTC* and CS* users created by Lync
    I.E. CSAdministrator, CSHelpDesk, RTCComponentUniversalServices, Etc.

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Deleting users from the User OU

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Deleting CS Users

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Step#4: Cleanup existing users

This steps resets Lync attributes for any domain users and contacts.

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The Second way: Using PowerShell

get-aduser -filter {msRTCSIP-PrimaryUserAddress -like “*”}|set-aduser -clear msRTCSIP-PrimaryUserAddress,msRTCSIP-PrimaryHomeServer,msRTCSIP-UserEnabled,msRTCSIP-OptionFlags,msRTCSIP-UserPolicies, msRTCSIP-DeploymentLocator, msRTCSIP-FederationEnabled, msRTCSIP-InternetAccessEnabled

Result:

Users attribute are clean and AD has nothing left over of Previous installation of Lync or Skype for Business .

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Lync Front end event ID 32178

The Issue: Replication problem occurs between Frontend Servers and Edge

If you look at the Eventviewer you might find the following error when you have finished deploying Edge or Frontend Server.

Error:

Failed to sync data for Routing group {563F57A3-0AC1-560A-91B4-74ACDECB2683} from backup store.

Cause: This may indicate a problem with connectivity to backup database or some unknown product issue.

Resolution:

Ensure that connectivity to backup database is proper. If the error persists, please contact product support with server traces.

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This error happens when you mistakenly import a certificate that’s not self-signed into the Local computer’s trusted authority store.

To fix this issue you will have to use the following powershell cmdlet on all the servers that are showing the error
  • Get-Childitem cert:\LocalMachine\root -Recurse | Where-Object {$_.Issuer -ne $_.Subject} | Format-List * | Out-File “c:\computer_filtered.txt”
  • Then type the command
  • Notepad C:\computer_filtered.txt
  • The command will open notepad file with the certificates details in it.
  • Take a note of all certificate’s thumb print number and open your MMC console
  • Click File -> add the Certificate then choose Local computer
  • Navigate to “Trusted Root Certification Authority” store

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Check the certificate that their thumb print were shown in the Txt file and remove to the Intermediate Certification authority store.

If you have many certificates in the Trusted root store, you can manage the view and choose “Issued by” and then click on the certificate that the “Issued to” and “Issued by” do not match

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double click on it then choose the thumbprint section and try to see if this thumbprint value matches the one in the text and move it to the intermediate store.

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When you finish, you must restart the servers one by one in order to resolve this issue and then you will notice that the error is gone and that services are back to normal state

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http://support.microsoft.com/kb/2795828

Lync common issues

Publishing Topology on Frontend

Some of the issues that might face you while you’re deploying Skype for Business/Lync is something that might be stuck within AD.

A previous installation that was not properly cleaned could result in a failure of publishing the Topology.

Here is one issue that I had while deploying one for one of my clients.

Issue

Enable-CsTopology : Multiple Active Directory entries were found for type “ms-RTC-SIP-EdgeProxy” with ID in a multiple Domain Environment

Active Directory Issue?

Enable-CsTopology : Multiple Active Directory entries were found for type “ms-RTC-SIP-EdgeProxy” with ID

“lyncedge.domain.local”.

At line:1 char:1

+ Enable-CsTopology

+ ~~~~~~~~~~~~~~~~~

+ CategoryInfo : InvalidData: (:SourceCollection) [Enable-CsTopology], InvalidDataException

+ FullyQualifiedErrorId : DuplicateADEntry,Microsoft.Rtc.Management.Deployment.ActivateTopologyCmdlet

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Solution:
  • Open ADSIEDIT and look in the following snapshot. Open Configuration for your DC
  • Collapse the menu and click on Services
  • Click on RTC Service
  • Click on Global Settings and on the right pane look if there’s any duplicated entries and remove them.
  • As you can see on my right pane I have 2 duplicated (msRTCSIP-EdgeProxy) and I’m going to remove one of them and see if I can publish my topology or not. But before that I will have to make sure that I export the entry that I wanna delete.

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I right clicked on the last value and deleted it and here how it became now.

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Now I will try to publish my topology and see what happens, my topology publishing failed with a new error this time.

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I will have to go and check where’s this coming from, since it mentions TrustedService. I will go look in the trusted service

This is not going to be easy, as you need to becareful where you look .. You will need to make sure that you’re looking at the right FQDN

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Here I could find the value MRAS for the FQDN Edge server

So I looked here and found 2 identical entries with a different (CN) if you scroll down you will see that the GruuId is the same, FQDN is the same, port is the same.

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Let’s delete one of them and see again if we can publish our topology, So I deleted the one that starts with {b344}

I will do this using the Lync Powershell, you can see below that the Topology was published successfully.

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To resolve the warning you will have to issue the cmdlet Enable-CsAdForest after the Enable-CsTopology

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2- SKYPE FOR BUSINESS EDGE SERVER DEPLOYMENT AND HYBRID INTEGRATION WITH SKYPE FOR BUSINESS ONLINE

Skype for Business Edge server deployment and Hybrid integration with Skype for Business Online

In the last Skype for Business post I have upgraded my Lync 2013 to Skype for Business (Click here to go to that post). in this article I am going to install Edge server for Skype for Business to the same Lync Environment where I have done the Upgrade to Skype for Business.

Configuring Edge Server

Setup NETBIOS

In order to configure Skype 4 Business Edge, we’ll have to change the Netbios to give it the name of our Domain but we won’t join it to the domain.

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Setup NICs

Edge Server must have 2 NICs, one Local NIC will point out to the Front end server but must not have Default gateway so traffic can only flow through the DMZ out to the internet and back in. but still it must be able to ping to the FE from Edge and vice versa.

The DMZ network could have a single DMZ address (Public Address to be pointing to) or three DMZ addresses for public IP addresses with standard https ports.

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Configure Hostnames

Edit the Edge server’s host file to include Lync FE and DC’s IP addresses and Hostname

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Install Prerequisites

  • Microsoft .Net Framework 3.5
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Now I will go back to Skype for Business FE server, I’ll launch the topology builder and add new Edge server

I will add the first Edge pool which contains of a single Edge server

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Next, you will have to choose if you want to enable federation with partners or other service providers …e.g. (Google)

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I am intending to use a single Public IP address with a different ports (nonstandard) since this is a lab. For production use it’s recommended to have 3 public IP addresses, One is for Access Edge, AV and WebConf services.

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Next I will choose the last option which says that the Edge pool is translated by NAT. I will configure my firewall to NAT ports to the Edge’s DMZ IP addresses from the Public so I am choosing this option.

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This is the FQDN’s the default configuration .. It’ll only use a single FQDN for all services if you’re going to use a single public IP address with a different ports.

IMPORTANT NOTE

When you use a single IP address with a different ports, the Access Edge port will normally change to 5061 (Not 443 like in the _sip._tls.domain.com) SRV record which will cause failure if you forgot to change this port to match the one in your Topology’s Access Edge settings.

Next I’ll have to enter my Edge server’s Local IP address.

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Next I will be asked to enter the DMZ’s IP address which the wizard calls (Private External IP address)

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Here I am going to place the NAT IP address which is my Public IP address.

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Next I’ll have to choose which Lync FE pool will be used as the next hop to the Edge pool. In this case I’ll be choosing my main pool since the second is only for resilience purpose.

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Then I’ll associate the mediation pool for Edge server for external media traffic. I can assign both in this case.

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Now I’ll click on Finish and right click on the Site name’s properties to enable the SIP federation and XMPP federation then Publish the topology.

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Now I will setup Azure Active Directory Sync on my DC server in order to sync the required users for the test purpose.

My domain is adeo.local so I want to change the UPN for users to match the synced domain. (Adeo-office365.ga) and moh10ly.com

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Installing Azure Active Directory Sync

Now I will install the prerequisites which consist of the following

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Net framework 4.5.2 is required for AADS but it’s already installed on my server

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Next I will install Microsoft Online Service Sign in assistant

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Next I will install Azure AD Module

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Finally Azure AD Sync

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Before moving forward, I’ll have to go to the Office 365 portal and activate DirSync

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Then use a global admin credentials from O365.

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Adding the forest using an enterprise admin user account

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Due to the fact that my domain adeo-office365.ga’s public dns host doesn’t have SRV configuration because it’s hosted by the famous free domain service (Freenom) so I’ll have to add my original domain moh10ly.com as Lync (S4B) requires SRV records to point to the on-premises lync.

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I will only sync one OU, so I will untick the Sync now box and click on Finish

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I will go to the following path

“C:\Program Files\Microsoft Azure AD Sync\UIShell” and create a shortcut for the GUI application of AADS on the desktop

“C:\Program Files\Microsoft Azure AD Sync\UIShell\miisclient.exe”

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To get this GUI app to work, you will have to sign out of your account and sign back in as your username will be added to the local administrators and have the authority to open it

Log off, log back in

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Next I will go to the connectors tab and double click on the ADDS connector (Adeo.local)

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I will go to the Configure Directory Partitions and under Credentials I’ll choose “Alternate credentials for this directory partition” then enter my on-premises AD Enterprise admin credentials

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I’ll click on Containers

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I’ll untick the DC=Adeo,Dc=Local box and only choose Dirsync OU then click OK and apply

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Before I start syncing my AD , I will go to Skype for Business Server and add my domain moh10ly.com as a SIP domain

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Next I am going to change the FQDN of the SIP access edge for public domain to moh10ly.com and the default port for the Access Edge to 443 and publish the topology

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I needed to finally check if all my FE servers are replicating. So then I can move to Edge server to install Lync components

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On the Edge server, I’ll use ISO for Skype 4 business to install the setup

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First thing I’ll install the local Configuration Store

I’ll click on Run and then I’ll be asked to import the configuration file which I’ll must export from Lync FE (Skype 4 b FE) server

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In this case, I’ll go to Lync FE and open Lync Management shell and enter the following Cmdlet

Export-CsConfiguration -FileName c:\top.zip

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This cmdlet will export a file to the root C drive . I’ll copy this file to the edge server.

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I’ll click next to continue, this should start installing the local store

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Next I’ll request a certificate for Internal NIC For edge server

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Configure Certificate

I’ll take the CSR (Certificate sign request) code and get a certificate from my local CA

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I’ll open MMC and add Certificates console and import the PKCS certificate

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After importing the certificate I’ll assign it to the internal NIC by clicking on Assign to the Edge Internal

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Once we assign the certfiicate to the internal edge. The replication service for Edge and FE will start working

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Now I’ll import my Public Certificate to Edge Server’s DMZ NIC

I already imported my public certificate, now I’ll go to the S4B wizard and assign it there

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Unlike IN lync 2013 when you Click on Start service in the Wizard all services start on their own but on Skype for business you ‘ll have to start the services manually by yourself.

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So Instead I used the service console to start the services.

Now I’ll go back to the FE And enable remote connectivity to Skype for Business from outside and make sure that replication works fine by checking the Topology or from cmdlet

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After the replication is finished, I was able to login remotely with my Skype for Business on-premises accounts.

Setting up Hybrid integration with Skype online for Business (O365)

https://technet.microsoft.com/en-us/library/jj205126.aspx

https://technet.microsoft.com/en-us/library/jj204669.aspx

In order to allow Hybrid environment to function properly, we’ll have to federate our Skype for Business on-premises’s Edge server as Microsoft says below

Federation allows users in your on-premises deployment to communicate with Office 365 users in your organization. To configure federation, run the following cmdlets in the Skype for Business Server Management Shell:

From <https://technet.microsoft.com/en-us/library/jj205126.aspx>

On the front end server, we’ll run the following CMDlet

Set-CSAccessEdgeConfiguration -AllowOutsideUsers 1 -AllowFederatedUsers 1 -UseDnsSrvRouting -EnablePartnerDiscovery $true

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Next cmdlet will create a new public federated provider for skype for business online.. However it already exists by default as in the below snapshot but just to avoid any issues I will delete the default provider from control panel and recreate it again. 

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I’ll delete the hosted provider “Skype for Business Online”

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I’ll try the cmdlet again after deleting the provider ..

New-CSHostingProvider -Identity SkypeforBusinessOnline -ProxyFqdn “sipfed.online.lync.com” -Enabled $true -EnabledSharedAddressSpace $true -HostsOCSUsers $true -VerificationLevel UseSourceVerification -IsLocal $false -AutodiscoverUrl https://webdir.online.lync.com/Autodiscover/AutodiscoverService.svc/root

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Since it worked already, I will go back to the control panel and make sure it is enabled

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Next is : Configure your Skype for Business Online tenant for a shared SIP address space

Note:

To configure a shared SIP address space, establish a remote PowerShell session with Skype for Business Online, and then run the following cmdlet:

We’ll have to download skype for business online powershell

https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38849&authkey=!AKW6Ln4Rkn6QuUI&ithint=file%2cexe

After launching the PowerShell module as an administrator I’ll run the following cmdlet

Import-Module SkypeOnlineConnector

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Now I’ll connect to my Office 365 tenant

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$cred = Get-Credential

$CSSession = New-CsOnlineSession -Credential $cred

Import-PSSession $CSSession -AllowClobber

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Now I’ll configure the shared sip address

Set-CsTenantFederationConfiguration -SharedSipAddressSpace $true

From <https://technet.microsoft.com/en-us/library/jj205126.aspx>

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To double check my configuration I will see if the SharedSipAddresSpace is enabled or not

Get-CsTenantFederationConfiguration

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To double check that the hybrid configuration is setup properly we can use the Skype for business on-premises Hybrid UI wizard from the Home Menu under “Connection to Skype for Business Online”

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Using the Skype for Business 2015 User interface to setup Hybrid configuration:

After you sign in it does automatically logs you in and configure the three following options

  1. Federation for the Edge server
  2. Federation with Office 365.
  3. Shared SIP address space.
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Now I will configure my DNS Settings as recommended by Microsoft for the Hybrid Integration scenario

DNS Settings

When creating DNS SRV records for hybrid deployments, the records, _sipfederationtls._tcp.<domain> and _sip._tls.<domain>, should point to the on-premises Access Proxy.

From <https://technet.microsoft.com/en-us/library/jj205403.aspx>

  1. Update some DNS records to direct all SIP traffic to Skype for Business on-premises:
  • The lyncdiscover.contoso.com A record to point to the FQDN of the on-premises reverse proxy server.
  • Update the _sip._tls.contoso.com SRV record to resolve to the public IP or VIP address of the Access Edge service of Skype for Business on-premises.
  • Update the _sipfederationtls._tcp.contoso.com SRV record to resolve to the public IP or VIP address of the Access Edge service of Skype for Business on-premises.
  • If your organization uses split DNS (sometimes called “split-brain DNS”), make sure that users resolving names through the internal DNS zone are directed to the Front End Pool.

From <https://support.office.com/en-us/article/Configure-Skype-for-Business-Server-2015-Hybrid-b06ee805-4349-4519-82fb-b06ed57c0bd0>

According to Microsoft’s configuration of the Public DNS, you will have to configure only the SRV records to point to your edge server however, running a simple wireshark on your Skype for business client machine you can notice the following:

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Microsoft Lync / Skype client first requires the Lyncdiscover / Lyncdiscoverinternal record in order to see where the user is located… then gets redirected to webdir.online.lync.com which is the Cname value to the Lyncdiscover Cname in the public DNS and tries to login the user through Login.microsoftonline.com then finds no user there and logs in using the SRV eventually in the end as in the below snapshot which I’ve used Wireshark for to monitor the DNS traffic that the Lync Client requests upon login request.

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NOTE:

What have me confused here is that Microsoft says only SRV records must be pointing to your On-premises Lync/Skype for Business Edge server.. So you must enter something else other than SIP.domain.com (Which in normal cases might be the common name of your Edge certificate) for the value of the SRV Record since the SIP.domain.com and Lyncdiscover.domain.com must be pointing to Office 365.

I tried using the Public IP address of my Edge server just to check if my on-premises user will connect without any issue however I did have an issue with the Certificate saying “There was a problem verifying the certificate from the server”.

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Error:

Luckily the Public certificate that I had on my edge server had multiple SANs (Subject Alternative Names) and one of them was WAC.moh10ly.com which I was intending to use for the WAC Server (Office Web Apps Server) and then I created an A record on my public DNS WAC.moh10ly.com that points to my Edge server’s Public IP address…. although the Wac.moh10ly.com is not a common name but it worked and I was able to federate with Office 365 users and was able to move users from on-premises to office 365 and back to on-premises as demonstrated later in the article.

“When creating DNS SRV records for hybrid deployments, the records, _sipfederationtls._tcp.<domain> and _sip._tls.<domain>, should point to the on-premises Access Proxy.”

From <https://support.office.com/en-us/article/Configure-Skype-for-Business-Server-2015-Hybrid-b06ee805-4349-4519-82fb-b06ed57c0bd0>

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Now I have changed all the SRV records to direct to the new A record

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And finally deleted the A sip record and created a new CNAME record that points to sipdir.online.lync.com

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I have already a user synced from my local AD to the cloud (office 365) that’s not enabled for Skype for business on-premises .. Once this user is synced and have been assigned a license it should be directly enabled for Skype for Business Online and I should be able to sign in to it without any issue.

Note:

In order for both users (homed online and On-premises) to see eachother’s presence the synced user must be enabled on the On-premises Server before moved to the cloud or else the presence and M will fail.

Time to test, I was able to sign in to the Online homed user (admin) and now I’ll be adding the on-premises homed user to the list to check the presence, IM ..etc

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Here I added the user admin to my other account Mohammed.hamada and vice versa.

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The Presence appears to be working fine for user homed on-premises as it shows when I changed it to “busy, be right back..etc” on the cloud user’s Client however the Office 365 homed user’s presence takes time to change on the on-premises user’s list and the IM doesn’t seem to work properly as messages sometimes doesn’t go through and fail.

Sending a message from the on-premises User (Mohammed Hamada) to (ADMIN)

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Now sending an IM from Admin to Mohammed Hamada

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To make sure that the issue is not within my on-premises server, I will use a different Skype for Business online account and see if IM work both ways.

This is my other user.. The presence information seems to work properly and now I’ll test the IM

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IM between my On-premises and another user on another Office 365 tenant seems to be working fine back and forth as in the below snapshots so the issue might be related to Office 365 tenant which I am using for this test (could be related to trial version)

I am going to open a case with MS and see why this issue happens since my on-premises work fine with other tenants.

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Now It’s time to move users from and to cloud and on-premises to check how easy, flexible or hard this process is.

I currently have 2 users, one on cloud and one synced and homed online (Office 365)

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In order to move users, you can go to Users tab after the hybrid config is finished and find the user you want to move then click on Actions and chose to move the users to the Skype for Business Online as in the below snapshot

Note:

Before you move the user to Office 365, you must assign license to the user or else the move will fail.

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You can move the user back from Office 365 to your on-premises Skype for Business server with the same process exactly except that you’ll have to choose which pool you need to move the user to.

Checking where the user is hosted from Skype for business Management shell

The Hosting Provider will show you where the user is working from now.

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Hope this has been helpful

References:

https://technet.microsoft.com/en-us/library/jj204967.aspx

https://technet.microsoft.com/en-us/library/jj205403.aspx

https://technet.microsoft.com/en-us/library/jj205126.aspx

https://technet.microsoft.com/en-us/library/jj204669.aspx

https://support.office.com/en-us/article/Configure-Skype-for-Business-Server-2015-Hybrid-b06ee805-4349-4519-82fb-b06ed57c0bd0

https://channel9.msdn.com/Events/Ignite/2015/BRK4129

1- IN-PLACE UPGRADE FROM LYNC 2013 TO SKYPE FOR BUSINESS STEP BY STEP GUIDE

This article guides you through the steps of doing an in-place upgrade from Lync 2013 to Skype for business. I am copying the article as is from my lab with all the errors that I have been through to give you a real experience feed back of what is this like.

You might get issues that you have never expected, but resolving them is not that hard and if you have any issues please don’t hesitate to leave a comment and I will get back to help you.

Prerequisites

Extensible Chat Communication Over SIP protocol (XCCOS)

From <https://technet.microsoft.com/en-us/library/dn951390.aspx>

References:

https://technet.microsoft.com/en-us/library/dn951371.aspx?f=255&MSPPError=-2147217396

https://technet.microsoft.com/en-us/library/dn933900.aspx

Lync CU 5

https://www.microsoft.com/en-us/download/details.aspx?id=36820

Kb2533623 Windows Server 2008 R2

http://support.microsoft.com/kb/2533623

Kb2858668 Windows Server 2012

http://support.microsoft.com/kb/2858668

KB2982006 Windows Server 2012 R2

https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38654&authkey=!AE9IJKbMPtkge8U&ithint=file%2cexe

SQL 2012 SP2 for Express version

https://www.microsoft.com/en-us/download/details.aspx?id=43351

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Prerequisite not satisfied: Internet Information Services (IIS) must be installed before attempting to install this product.

Prerequisite not satisfied: The following Internet Information Services (IIS) role services must be installed before attempting to install this product: Static Content, Default Document, HTTP Errors, ASP.NET, .NET Extensibility, Internet Server API (ISAPI) Extensions, ISAPI Filters, HTTP Logging, Logging Tools, Tracing, Client Certificate Mapping Authentication, Windows Authentication, Request Filtering, Static Content Compression, Dynamic Content Compression, IIS Management Console, IIS Management Scripts and Tools

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install an update for Windows Server 2012 R2. For details about the update, see Microsoft Knowledge Base article 2982006, “IIS crashes occasionally when a request is sent to a default document in Windows 8.1 or Windows Server 2012 R2” at http://go.microsoft.com/fwlink/?LinkId=519376

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install Microsoft ASP.NET 4.5 by using the Add Roles and Features Wizard in Windows Server 2012 Server Manager. Install the ASP.NET 4.5 role service of the Web Server (IIS) role.

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install Microsoft Windows Communication Foundation Activation by using the Add Roles and Features Wizard in Windows Server 2012 Server Manager. Install WCF Services and HTTP Activation, which are included with the Microsoft .NET Framework 4.5 feature.

http://go.microsoft.com/fwlink/?LinkId=519376

Powershell

$PSVersionTable

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STEP 1 : Installing Prerequisites

Add-WindowsFeature NET-Framework-Core, RSAT-ADDS, Windows-Identity-Foundation, Web-Server, Web-Static-Content, Web-Default-Doc, Web-Http-Errors, Web-Dir-Browsing, Web-Asp-Net, Web-Net-Ext, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Http-Logging, Web-Log-Libraries, Web-Request-Monitor, Web-Http-Tracing, Web-Basic-Auth, Web-Windows-Auth, Web-Client-Auth, Web-Filtering, Web-Stat-Compression, Web-Dyn-Compression, NET-WCF-HTTP-Activation45, Web-Asp-Net45, Web-Mgmt-Tools, Web-Scripting-Tools, Web-Mgmt-Compat, Server-Media-Foundation, BITS, Desktop-Experience, Telnet-Client

https://docs.microsoft.com/en-us/skypeforbusiness/plan-your-deployment/requirements-for-your-environment/server-requirements

Updated aug-2018

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STEP 2: Installing CU5

Download and install CU5

https://www.microsoft.com/en-us/download/details.aspx?id=36820

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After the restart we will apply the update of the databases which in my case is going to be the FQDN of the FE server since it’s standard version and not Backend server.

Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn lyncfe01.adeo.local -Verbose

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Time to upgrade the Archiving/Monitoring databases.

To upgrade we’ll use the same command except change the FQDN of the SQL server to the SQL server where Monitoring and Archiving databases are at.

Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn sql01.adeo.local -Verbose

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Applying CMS upgrade

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Install-CsDatabase -CentralmanagementDatabase -SqlServerFqdn Lyncfe01.adeo.local -SqlInstanceName rtc -verbose

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Then run enable-cstopology

Last thing in the CU5 update is

%ProgramFiles%\Microsoft Lync Server 2013\Deployment\Bootstrapper.exe

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https://support.microsoft.com/en-us/kb/2809243

Step 3 : Installing Windows OS hotfix.

KB2982006 Windows Server 2012 R2

Since the FE is on Windows Server 2012 R2 then we’ll need to download this link

https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38654&authkey=!AE9IJKbMPtkge8U&ithint=file%2cexe

RESTART is Required

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STEP 4 : Install SQL Service Pack 2 (Express) for your Lync Front end Standard Edition

First Download SQL Express SP2 setup

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You can patch the server by opening a Lync Management Shell window and entering the following commands:

1- Stop-CsWindowsService
2- .\SQLEXPR_x64_ENU.exe /ACTION=Patch /allinstances /IAcceptSQLServerLicenseTerms

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Step 5: SQL Server (Standard or Enterprise) for (Monitoring, Archiving)

https://support.microsoft.com/en-us/kb/321185

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My SQL Server version is SP1 so I don’t need to upgrade it to SP2

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Step 6- In-place Upgrade for Skype For Business

In order to do the in-place upgrade, we’ll need to use a machine that doesn’t have Lync 2013 to install the new Topology builder and do the upgrade process

On a different Machine that’s joined to the same domain, I will run the prerequisites script and restart the machine. then I’ll load the Skype for business ISO and install

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D:\Setup\amd64\Setup.exe

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We’ll now press on Installing Administrative tools

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Now in order to continue we’ll have to open the topology builder in order to upgrade our Lync 2013 topology

I’ll open the topology builder and save the topology file somewhere

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Once the topology is open, I’ll navigate to the Standard FE Servers and right click on my main server to upgrade

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I’ll click on Upgrade to Skype for Business Server 2015…

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As soon as you press Yes, the Frontend server that you selected will be moved under the Skype For Business Server 2015 tab as you can see below.

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Since I have two FE servers (FE and SBS) I will be upgrading them both but not in the same time not not fall into any errors, so I will publish the topology and see what happens.

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We’ll check what do we need to do now in order to upgrade the servers, here is what we’ll do.

Import existing normalization rules from the previous Skype for Business Server deployment. If you want to keep your existing normalization rules you will need to import them using the Import-CsCompanyPhoneNormalizationRules cmdlet. If you have separate normalization rules for each pool then you will need to run the command for each set.

To perform an in-place upgrade of your Skype for Business Server, you’ll need to do the following, in order:

(1) Stop the Skype for Business services on all of the servers that you are upgrading;
(2) Run Skype for Business Server setup (Setup.exe) on all of the servers you are upgrading;
(3) Start the Skype for Business services on all of the servers you upgraded. To start the services in a Front End pool, connect to one of the servers in the pool and run the Start-CsPool cmdlet. All the servers in the pool should be running Skype for Business Server before you use the Start-CsPool cmdlet. To start the services in all other pools (e.g. Edge pool, Mediation pool), run the Start-CsWindowsService cmdlet on every server in the pool;

Server FQDN: lyncfe01.adeo.local, Pool FQDN: lyncfe01.adeo.local

On Lync FE 01 I’ll stop all the services using Stop-cswindowsservice

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Now on the same server I’ll load the Skype4B ISO and start the setup

D:\Setup\amd64\Setup.exe

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Started at 1:40pm

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NOTE:

The required time for the upgrade process is estimated around 75-90 Minutes for each FE Server.

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Starting ‘Verifying upgrade readiness…’

‘Verifying upgrade readiness…’ completed successfully

Starting ‘Installing missing prerequisites…’

‘Installing missing prerequisites…’ completed successfully

Starting ‘Uninstalling roles…’

‘Uninstalling roles…’ completed successfully

Starting ‘Detaching database…’

‘Detaching database…’ completed successfully

Starting ‘Uninstalling local management services…’

‘Uninstalling local management services…’ completed successfully

Starting ‘Installing and configuring core components…’

‘Installing and configuring core components…’ completed successfully

Starting ‘Installing administrative tools…’

‘Installing administrative tools…’ completed successfully

Starting ‘Installing local management services…’

‘Installing local management services…’ completed successfully

Starting ‘Attaching database…’

‘Attaching database…’ completed successfully

Starting ‘Upgrading database…’

‘Upgrading database…’ completed successfully

Starting ‘Enabling replica…’

‘Enabling replica…’ completed successfully

Starting ‘Installing roles…’

‘Installing roles…’ completed successfully

Starting ‘Verifying installation…’

‘Verifying installation…’ completed successfully

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Upgrade the SBS (Survivable Branch Server) in the pool to Skype4B

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Publish the topology

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I’ll stop the service before I start the upgrade process.

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I’ll load the ISO on the second server and start the upgrade.

D:\Setup\amd64\Setup.exe

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Apparently I forgot to update Lync to the latest CU

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3- Unified messaging Integration between Exchange 2016 and Skype for Business

Setting up UM

To setup UM between Exchange and Skype for business server, the most important step is how you configure the Certificates between both servers in order for them to trust each other.

For that you don’t have to use a public Certificate but rather an internal CA certificate that has its root certificate installed on all of the server where you intend to deploy the UM. (Exchange, S4B Servers..etc.).

To claim this certificate, the easiest step would be to get the CSR from Skype for Business’s Deployment Wizard

Run Deployment Wizard and click on the “Install or Update skype for business Server system”

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Then click on step 3 (request, install or assign Cert)

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I already have certificate deployed for S4B service but I’ll request CSR again to get one trusted certificate for both Exchange and S4B.

I will tick only the services that matters as in the below screenshot (Server default and Web services internal) later also will be used for OWA integration with UM.

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Click on Request

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Click on Advanced

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Next

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I’ll continue next until I’ve got to the important part which is “Name and Security settings” I’ll need to tick the “Mark the certificate’s private key as exportable” since we’ll export the certificate to Exchange servers

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Next I’ll add Exchange servers’s FQDNs.

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Click Next

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Here is the CMDLET

Request-CSCertificate -New -Type Default,WebServicesInternal -CA “DC2016.moh10ly.com\moh10ly-DC2016-CA” -Country “TR” -FriendlyName “Skype for Business Server 2015 Default certificate 3/18/2016” -KeySize 2048 -PrivateKeyExportable $True -Organization “moh10ly” -OU “moh10ly” -DomainName “sip.moh10ly.com,ex2016.moh10ly.com,ex2016-2.moh10ly.com,ex2010.moh10ly.com” -AllSipDomain -Verbose -Report “C:\Users\administrator.MOH10LY\AppData\Local\Temp\2\Request-CSCertificate-[2016_03_18][11_16_35].html”

Click Next again and mark the thumbprint for the new Cert as we’ll need to see it later to make sure it’s properly configured for the UM on Exchange.

8BA9A2C4CD926B01C029F6B9A76D75BBEFDDE069

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Click next to assign the Cert

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Successfully, the certificate has been assigned to the Services

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The CMDLET that was applied

Set-CSCertificate -Type Default,WebServicesInternal -Thumbprint 8BA9A2C4CD926B01C029F6B9A76D75BBEFDDE069 -Confirm:$false -Report “C:\Users\administrator.MOH10LY\AppData\Local\Temp\2\Set-CSCertificate-[2016_03_18][11_19_06].html”

Now it’s time to export this certificate and import it to Exchange servers

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I’ll find the certificate that I have created today by looking at the expiration date which is 2 years from now with the same day.

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Now I’ll right click on the certificate and export it with the private key.

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I’ll open Exchange EMC and import the certificate

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I’ll have to put the exported cert in a shared folder and provide the path and the password for it

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I’ll add the two servers below

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I’ll double click on the imported certificate and assign the UM services to it on each of the servers

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I have got the below error due to not configuring the service to use TLS instead of TCP on both servers.

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To fix this I’ll go on Exchange Management shell and run the following CMDLET

Get-UMService | Set-UMService -UMStartupMode TLS

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Now I’ll try to save again

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I’ll proceed with YES and continue to do the same to the other Server and restart the UM service on both servers

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Now it’s time to create a UM Dial plan

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I’ll configure the UM Dial plan according to my Skype for Business settings for users enabled for EV

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To use powershell, you can use the following cmdlet

New-UMDialPlan –Name DialplanName –UriType SIPURI –NumberOfDigitsInExtension 4 –VoIPSecurity Secured –CountryOrRegionCode 1 –AccessTelephoneNumber +9012345678

Next, adding a gateway to the UM (NOTE: If configured incorrect, will cause the service not to start and errors with event ID (1057, 4999,1430, 1038) will appear.

Time to configure Gateway

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In the gateway I’ll add my PBX (AsteriskNow) and place my already configured UMDP

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When you create the dial plan, Exchange automatically creates a new UM mail policy along with it and it also generates a name that’s related to the Dial plan

In order to see this policy, you will have to double click on the new dial plan to view it and you can also change the policy in it .. Which I’m going to apply for the length of the policy to make it shorter

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Double click on the Mailbox policy and navigate to Pin Polices and change it to the length you want to allow

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Configure Auto Attendant

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Set the AA as how you want it to be configured and make sure you add the full E.164 format as it won’t accept otherwise.

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Click Save to continue

Now time to configure OVA (Outlook voice access)

Subscriber Access

If you want to configure Outlook Voice Access (OVA) , sometimes also referred to as Subscriber Access, click on the Configure button. Select Outlook Voice Access in the left hand menu and enter the telephone number you want to use to access OVA. This must be in the E.164 notation.

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To do so click on Configure

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To assign the new dial plan to the UM services, both on the Client Access Server (UM Call Router) as well as on the Mailbox server. In an Exchange Management Shell windows enter the following commands:

1

2

Set-UMCallRouterSettings -DialPlans “Exchangelabs Dial Plan” –Server 2012E15FE04

Get-UMService | Set-UMService -DialPlans “Exchangelabs Dial Plan”

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Now I’ll also change the UM call router to TLS and assign Certificate to the service then restart it

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Restart the services of the Call router, then associate the service with the dialplan you created.

Set-UMCallRouterSettings -DialPlans “UMDP1” –Server EX2016

Set-UMCallRouterSettings -DialPlans “UMDP1” –Server EX2016-2

Configure Skype for Business Server

To configure the UM Service to be used with Skype for Business Server. Microsoft has a script that will create and configure all necessary components. This scripts is located in the scripts directory C:\Program Files\Microsoft\Exchange Server\V15\Scripts.

Run the following CMDLET

CD $ExScripts

.\ExchUCUtil.ps1

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The first time you setup this script it’ll detect the Dial plan and set it up with Skype for Business Server

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It will show that no setting has changed but the fact that the dial plan is showing here Not found means that there something has changed .. You’ll notice that if you run the same script again.

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Let’s try it again

Here you can see that the dial plan has been assigned to the S4B Front end server.

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This script performs the following:

  • Grants Skype for Business Server permission to read Exchange UM Active Directory components, specifically, the SIP URI dial plan that was created in the first step;
  • Creates a UM IP gateway for each Skype for business Server pool that hosts users who will be enabled for Enterprise Voice;
  • Create an Exchange UM hunt group for each UM IP gateway. The hunt group pilot identifier will be the name of the dial plan associated with the corresponding UM IP gateway. The hunt group must specify the UM SIP dial plan used with the UM IP gateway.

When the script has run you’ll see a new UM IP Gateway appear in the EAC. Since this script not only creates the UM IP Gateway but also sets the necessary permissions the UM IP Gateway was not created manually in the first step.

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Next we’ll go to Skype for Business FE server and then run the OcsUmUtil.exe tool which creates the contact objects for Outlook Voice Access and for the auto attendants. This tool can be found in C:\Program Files\Common Files\Skype for Business Server 2015\Support

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I’ll right click the file to run it as administrator

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Click on Load Data

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Select the SIP dial plan and click ADD

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Click OK

Right after configuring this your Voice mail should be enabled once you enable your user for it

After I enable user for UM and assign a valid dialplan .. Now I can see the user has got his Voice Mail option available.

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Hope this was useful

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—-

UM gateway

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CREATE SKYPE FOR BUSINESS GROUPS

If you’re looking for an quick way to let all your users easily add all Skype for Business users to their list after migration from Lync 2010/2013/Skype4business to Office 365 Skype for Business then please follow these steps ..

In order to do so, you will have to have DirSync (Azure AD Sync) installed and functioning properly.

First step: Add a group to AD

On Local AD create a Universal Distribution group as following

Note:

The group must have an e-mail address entered in the Email field otherwise it won’t show up in Lync Client list when you search.

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Go to Members tab and add all the users that you are planning to Enable on Skype4Business.

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Apply and close the group.

Go to DirSync

Force the Sync

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Make sure that group has been Synced.

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In office 365. You can check If the group is there or not by simply navigating to the Groups tab on the left pane.

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Now Open Lync 2013 or Skype 4 Business client and search for this group by email

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Right click the group and click Add to contacts

As soon as you add the group, all the members will come beneath it right away.

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LYNC 2013 TO SKYPE FOR BUSINESS IN-PLACE UPGRADE WITH MONITORING DATABASE

This article guides you through the steps of doing an in-place upgrade from Lync 2013 to Skype for business. I am copying the article as is from my lab with all the errors that I have been through to give you a real experience feed back of what is this like.

You might get issues that you have never expected, but resolving them is not that hard and if you have any issues please don’t hesitate to leave a comment and I will get back to help you.

Prerequisites

Extensible Chat Communication Over SIP protocol (XCCOS)

From <https://technet.microsoft.com/en-us/library/dn951390.aspx>

References:

https://technet.microsoft.com/en-us/library/dn951371.aspx?f=255&MSPPError=-2147217396

https://technet.microsoft.com/en-us/library/dn933900.aspx

Lync CU 5

https://www.microsoft.com/en-us/download/details.aspx?id=36820

Kb2533623 Windows Server 2008 R2

http://support.microsoft.com/kb/2533623

Kb2858668 Windows Server 2012

http://support.microsoft.com/kb/2858668

KB2982006 Windows Server 2012 R2

https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38654&authkey=!AE9IJKbMPtkge8U&ithint=file%2cexe

SQL 2012 SP2 for Express version

https://www.microsoft.com/en-us/download/details.aspx?id=43351

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First Issue:

Upon running the setup I have got the following error:

Prerequisite not satisfied: Internet Information Services (IIS) must be installed before attempting to install this product.

Prerequisite not satisfied: The following Internet Information Services (IIS) role services must be installed before attempting to install this product: Static Content, Default Document, HTTP Errors, ASP.NET, .NET Extensibility, Internet Server API (ISAPI) Extensions, ISAPI Filters, HTTP Logging, Logging Tools, Tracing, Client Certificate Mapping Authentication, Windows Authentication, Request Filtering, Static Content Compression, Dynamic Content Compression, IIS Management Console, IIS Management Scripts and Tools

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install an update for Windows Server 2012 R2. For details about the update, see Microsoft Knowledge Base article 2982006, “IIS crashes occasionally when a request is sent to a default document in Windows 8.1 or Windows Server 2012 R2” at http://go.microsoft.com/fwlink/?LinkId=519376

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install Microsoft ASP.NET 4.5 by using the Add Roles and Features Wizard in Windows Server 2012 Server Manager. Install the ASP.NET 4.5 role service of the Web Server (IIS) role.

Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install Microsoft Windows Communication Foundation Activation by using the Add Roles and Features Wizard in Windows Server 2012 Server Manager. Install WCF Services and HTTP Activation, which are included with the Microsoft .NET Framework 4.5 feature.

http://go.microsoft.com/fwlink/?LinkId=519376

Powershell

$PSVersionTable

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I will re-run prerequisites to make sure that all are satisfied before running setup again.

STEP 1 : Installing Prerequisites for this In-Place Upgrade

Add-WindowsFeature NET-Framework-Core, RSAT-ADDS, Windows-Identity-Foundation, Web-Server, Web-Static-Content, Web-Default-Doc, Web-Http-Errors, Web-Dir-Browsing, Web-Asp-Net, Web-Net-Ext, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Http-Logging, Web-Log-Libraries, Web-Request-Monitor, Web-Http-Tracing, Web-Basic-Auth, Web-Windows-Auth, Web-Client-Auth, Web-Filtering, Web-Stat-Compression, Web-Dyn-Compression, NET-WCF-HTTP-Activation45, Web-Asp-Net45, Web-Mgmt-Tools, Web-Scripting-Tools, Web-Mgmt-Compat, Server-Media-Foundation, BITS, Desktop-Experience, Telnet-Client

https://docs.microsoft.com/en-us/skypeforbusiness/plan-your-deployment/requirements-for-your-environment/server-requirements

Updated aug-2018

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STEP 2: Installing CU5

Download and install CU5

https://www.microsoft.com/en-us/download/details.aspx?id=36820

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After the restart we will apply the update of the databases which in my case is going to be the FQDN of the FE server since it’s standard version and not Backend server.

Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn lyncfe01.adeo.local -Verbose

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Time to upgrade the Archiving/Monitoring databases.

To upgrade we’ll use the same command except change the FQDN of the SQL server to the SQL server where Monitoring and Archiving databases are at.

Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn sql01.adeo.local -Verbose

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Applying CMS upgrade

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Install-CsDatabase -CentralmanagementDatabase -SqlServerFqdn Lyncfe01.adeo.local -SqlInstanceName rtc -verbose

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Then run enable-cstopology

Last thing in the CU5 update is

%ProgramFiles%\Microsoft Lync Server 2013\Deployment\Bootstrapper.exe

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https://support.microsoft.com/en-us/kb/2809243

Step 3 : Installing Windows OS hotfix.

KB2982006 Windows Server 2012 R2

Since the FE is on Windows Server 2012 R2 then we’ll need to download this link

https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38654&authkey=!AE9IJKbMPtkge8U&ithint=file%2cexe

RESTART is Required

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STEP 4 : Install SQL Service Pack 2 (Express) for your Lync Front end Standard Edition

First Download SQL Express SP2 setup

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You can patch the server by opening a Lync Management Shell window and entering the following commands:

Stop-CsWindowsService

.\SQLEXPR_x64_ENU.exe /ACTION=Patch /allinstances /IAcceptSQLServerLicenseTerms

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Step 5: SQL Server (Standard or Enterprise) for (Monitoring, Archiving)

https://support.microsoft.com/en-us/kb/321185

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My SQL Server version is SP1 so I don’t need to upgrade it to SP2

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Step 6- In-place Upgrade for Skype For Business

In order to do the in-place upgrade, we’ll need to use a machine that doesn’t have Lync 2013 to install the new Topology builder and do the upgrade process

On a different Machine that’s joined to the same domain, I will run the prerequisites script and restart the machine. then I’ll load the Skype for business ISO and install

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D:\Setup\amd64\Setup.exe

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We’ll now press on Installing Administrative tools

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Now in order to continue we’ll have to open the topology builder in order to upgrade our Lync 2013 topology

I’ll open the topology builder and save the topology file somewhere

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Once the topology is open, I’ll navigate to the Standard FE Servers and right click on my main server to upgrade

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I’ll click on Upgrade to Skype for Business Server 2015…

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As soon as you press Yes, the Frontend server that you selected will be moved under the Skype For Business Server 2015 tab as you can see below.

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Since I have two FE servers (FE and SBS) I will be upgrading them both but not in the same time not not fall into any errors, so I will publish the topology and see what happens.

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We’ll check what do we need to do now in order to upgrade the servers, here is what we’ll do.

Import existing normalization rules from the previous Skype for Business Server deployment. If you want to keep your existing normalization rules you will need to import them using the Import-CsCompanyPhoneNormalizationRules cmdlet. If you have separate normalization rules for each pool then you will need to run the command for each set.

To perform an in-place upgrade of your Skype for Business Server, you’ll need to do the following, in order:

(1) Stop the Skype for Business services on all of the servers that you are upgrading;

(2) Run Skype for Business Server setup (Setup.exe) on all of the servers you are upgrading;

(3) Start the Skype for Business services on all of the servers you upgraded. To start the services in a Front End pool, connect to one of the servers in the pool and run the Start-CsPool cmdlet. All the servers in the pool should be running Skype for Business Server before you use the Start-CsPool cmdlet. To start the services in all other pools (e.g. Edge pool, Mediation pool), run the Start-CsWindowsService cmdlet on every server in the pool;

Server FQDN: lyncfe01.adeo.local, Pool FQDN: lyncfe01.adeo.local

On Lync FE 01 I’ll stop all the services using Stop-cswindowsservice

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Now on the same server I’ll load the Skype4B ISO and start the setup

D:\Setup\amd64\Setup.exe

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Started at 1:40pm

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NOTE:

The required time for the upgrade process is estimated around 75-90 Minutes for each FE Server.

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Starting ‘Verifying upgrade readiness…’

‘Verifying upgrade readiness…’ completed successfully

Starting ‘Installing missing prerequisites…’

‘Installing missing prerequisites…’ completed successfully

Starting ‘Uninstalling roles…’

‘Uninstalling roles…’ completed successfully

Starting ‘Detaching database…’

‘Detaching database…’ completed successfully

Starting ‘Uninstalling local management services…’

‘Uninstalling local management services…’ completed successfully

Starting ‘Installing and configuring core components…’

‘Installing and configuring core components…’ completed successfully

Starting ‘Installing administrative tools…’

‘Installing administrative tools…’ completed successfully

Starting ‘Installing local management services…’

‘Installing local management services…’ completed successfully

Starting ‘Attaching database…’

‘Attaching database…’ completed successfully

Starting ‘Upgrading database…’

‘Upgrading database…’ completed successfully

Starting ‘Enabling replica…’

‘Enabling replica…’ completed successfully

Starting ‘Installing roles…’

‘Installing roles…’ completed successfully

Starting ‘Verifying installation…’

‘Verifying installation…’ completed successfully

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Upgrade the SBS (Survivable Branch Server) in the pool to Skype4B

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Publish the topology

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I’ll stop the service before I start the upgrade process.

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I’ll load the ISO on the second server and start the upgrade.

D:\Setup\amd64\Setup.exe

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Apparently I forgot to update Lync to the latest CU

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