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<p>

So Exchange 2016 preview version came on MSDN and I decided to give it a try along with the DAG …</p>
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<p>Previously in Exchange 2013 I used to have an issue with the fast search on DAG as in some cases it used to stop and cause the original database and copy to report not healthy.</p>



<p>Here I wanted to Install exchange 2016 on new windows edition along with configuring DAG and observe the database’s indexing status.</p>



<p>So to start, I used the available Microsoft Technet related to Exchange 2016.</p>



<p>I’ll launch Powershell as adminsitrator an start by installing the requested software</p>



<p>Install-WindowsFeature RSAT-ADDS</p>



<p>From <;<a href="https://technet.microsoft.com/en-us/library/bb691354%28v=exchg.160%29.aspx?f=255&;MSPPError=-2147217396">https://technet.microsoft.com/en-us/library/bb691354%28v=exchg.160%29.aspx?f=255&;MSPPError=-2147217396</a>>;</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-Mf4VbGbJ5BY/VcTCnYmHjII/AAAAAAAAQoA/LDysqbmnoGk/s1600-h/clip_image001%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/--1ByGB8vCrc/VcTCoHudPPI/AAAAAAAAQoI/AzS8prcizrA/clip_image001_thumb.png" alt="clip_image001"/></a> 

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</figure>



<p>Windows 2012/2012R2</p>



<p>Install-WindowsFeature AS-HTTP-Activation, Desktop-Experience, NET-Framework-45-Features, RPC-over-HTTP-proxy, RSAT-Clustering, RSAT-Clustering-CmdInterface, RSAT-Clustering-Mgmt, RSAT-Clustering-PowerShell, Web-Mgmt-Console, WAS-Process-Model, Web-Asp-Net45, Web-Basic-Auth, Web-Client-Auth, Web-Digest-Auth, Web-Dir-Browsing, Web-Dyn-Compression, Web-Http-Errors, Web-Http-Logging, Web-Http-Redirect, Web-Http-Tracing, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Lgcy-Mgmt-Console, Web-Metabase, Web-Mgmt-Console, Web-Mgmt-Service, Web-Net-Ext45, Web-Request-Monitor, Web-Server, Web-Stat-Compression, Web-Static-Content, Web-Windows-Auth, Web-WMI, Windows-Identity-Foundation</p>



<p>From <;<a href="https://technet.microsoft.com/en-us/library/bb691354%28v=exchg.160%29.aspx?f=255&;MSPPError=-2147217396">https://technet.microsoft.com/en-us/library/bb691354%28v=exchg.160%29.aspx?f=255&;MSPPError=-2147217396</a>>;</p>



<p>Windows 2016 (Windows Server)</p>



<p>Install-WindowsFeature Net-HTTP-Activation, Desktop-Experience, NET-Framework-45-Features, RPC-over-HTTP-proxy, RSAT-Clustering, RSAT-Clustering-CmdInterface, RSAT-Clustering-Mgmt, RSAT-Clustering-PowerShell, Web-Mgmt-Console, WAS-Process-Model, Web-Asp-Net45, Web-Basic-Auth, Web-Client-Auth, Web-Digest-Auth, Web-Dir-Browsing, Web-Dyn-Compression, Web-Http-Errors, Web-Http-Logging, Web-Http-Redirect, Web-Http-Tracing, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Lgcy-Mgmt-Console, Web-Metabase, Web-Mgmt-Console, Web-Mgmt-Service, Web-Net-Ext45, Web-Request-Monitor, Web-Server, Web-Stat-Compression, Web-Static-Content, Web-Windows-Auth, Web-WMI, Windows-Identity-Foundation</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/--CJd1wwgR5k/VcTCpMU8ttI/AAAAAAAAQoQ/lA1YwzuSKhU/s1600-h/clip_image002%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-trI46O-D78o/VcTCpl3V0SI/AAAAAAAAQoU/IK6aTZp2on0/clip_image002_thumb.png" alt="clip_image002"/></a></figure>



<p><br><br><strong>1- (Extending Schema)</strong><br><br>Setup.exe /PrepareSchema /IAcceptExchangeServerLicenseTerms</p>



<p>From <;<a href="https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1">https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1</a>>;</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-TkHAAP8v6zs/VcTCqK67WEI/AAAAAAAAQoc/r3ZxTH4o2wE/s1600-h/clip_image003%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-YrBclBN6f6Y/VcTCq9tuRbI/AAAAAAAAQok/PzSYlzV03as/clip_image003_thumb.png" alt="clip_image003"/></a></figure>



<p><strong>2- (Preparing AD)</strong><br><br>Setup.exe /PrepareAD /OrganizationName:”” /IAcceptExchangeServerLicenseTerms</p>



<p>From <;<a href="https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1">https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1</a>>;<br>Setup.exe /PrepareAD /OrganizationName:TEST /IAcceptExchangeServerLicenseTerms</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-eDsEEuxxiRI/VcTCrIsE1KI/AAAAAAAAQos/hwb--HuBUoU/s1600-h/clip_image004%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-5SxPg9utQog/VcTCrx0wJlI/AAAAAAAAQo0/V65QcPsmh2Q/clip_image004_thumb.png" alt="clip_image004"/></a></figure>



<p><strong>3- Prepare one domain in the forest or all domains</strong><br><br>Setup.exe /PrepareDomain: /IAcceptExchangeServerLicenseTerms</p>



<p>From <;<a href="https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1">https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1</a>>;</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-0W_Ng_p56zM/VcTCsSZV30I/AAAAAAAAQo8/zn5ziuylKyk/s1600-h/clip_image005%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-NTcqsbfDSLg/VcTCs-VC2hI/AAAAAAAAQpE/oDhRfufLV1c/clip_image005_thumb.png" alt="clip_image005"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-T0DwTty9blA/VcTCtWXGaNI/AAAAAAAAQpM/epMKwjbrrS4/s1600-h/clip_image007%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-V6Dr652ihQA/VcTCt3vUm6I/AAAAAAAAQpY/uN7oId0_GGM/clip_image007_thumb.png" alt="clip_image007"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-rmshafifgfM/VcTCutljW7I/AAAAAAAAQpg/Q5iqF_sGQ9Y/s1600-h/clip_image008%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-jbVFNP3zvdQ/VcTCvQfxJWI/AAAAAAAAQpo/NpE1zkl60q4/clip_image008_thumb.png" alt="clip_image008"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-zmEob0pQibU/VcTCv9ISJZI/AAAAAAAAQps/z0yvtWWTHoM/s1600-h/clip_image009%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-AERq9hm0cTY/VcTCwyW8GaI/AAAAAAAAQp0/oLqy36aPQvQ/clip_image009_thumb.png" alt="clip_image009"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-7ptlSGt6NUE/VcTCxSV2sSI/AAAAAAAAQp8/ob9m_u5B1Cw/s1600-h/clip_image010%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-ME5w8FJ6Q6o/VcTCx4xdDaI/AAAAAAAAQqI/EE9Sn3laGV4/clip_image010_thumb.png" alt="clip_image010"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-KNRoFBfaqZA/VcTCye5k5MI/AAAAAAAAQqM/1iL5jJfO9-I/s1600-h/clip_image011%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/--mttYIMxx44/VcTCzGWEExI/AAAAAAAAQqU/ozVNWqTg8GA/clip_image011_thumb.png" alt="clip_image011"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-tkkirEGtFK0/VcTCztUG_FI/AAAAAAAAQqg/p87NajYZcL4/s1600-h/clip_image001%25255B4%25255D%25255B2%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-xmJ12Eictiw/VcTC0rPoFLI/AAAAAAAAQqk/eKXMyoLb2KQ/clip_image001%25255B4%25255D_thumb.png" alt="clip_image001[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-8qnRdArokQc/VcTC1Gps8wI/AAAAAAAAQqs/trt0STVFN90/s1600-h/clip_image002%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-hA70LRxvUXc/VcTC13afBrI/AAAAAAAAQq0/TBLV6hiXctk/clip_image002%25255B4%25255D_thumb.png" alt="clip_image002[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-m-2u00_nLGs/VcTC2SKhXDI/AAAAAAAAQq8/3s9OXUk1npo/s1600-h/clip_image003%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-A8cMKob_WLQ/VcTC2y43QxI/AAAAAAAAQrE/WMMtKpfylbg/clip_image003%25255B4%25255D_thumb.png" alt="clip_image003[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-BAM40H7TDqM/VcTC3Y9_ezI/AAAAAAAAQrM/XtwBgpjE0dA/s1600-h/clip_image004%25255B4%25255D%25255B2%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-etJVm-C3cLs/VcTC4IpqpoI/AAAAAAAAQrU/Cxm_qqClgqc/clip_image004%25255B4%25255D_thumb.png" alt="clip_image004[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-x9SooSP4njs/VcTC4xs109I/AAAAAAAAQrc/x7eGOX-nOGI/s1600-h/clip_image005%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-xQEHknAFEQg/VcTC5QMLAyI/AAAAAAAAQrk/Vl3W9h4hCqg/clip_image005%25255B4%25255D_thumb.png" alt="clip_image005[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-A-2Tvu4KJtM/VcTC5xVdRYI/AAAAAAAAQrs/rczQyPsg6E4/s1600-h/clip_image006%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-Yz0dHRUmFAo/VcTC6X5Se3I/AAAAAAAAQr0/kxIz1HO0QoQ/clip_image006_thumb.png" alt="clip_image006"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-nqJyeMtTbq0/VcTC664bsGI/AAAAAAAAQr8/16kubPj7JyE/s1600-h/clip_image007%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-Eern6Kmv4qs/VcTC7rdFINI/AAAAAAAAQsE/NeIhKV4kEZs/clip_image007%25255B4%25255D_thumb.png" alt="clip_image007[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-S3DPinIl_vU/VcTC8FjzqxI/AAAAAAAAQsQ/A5NVke_4Ljk/s1600-h/clip_image008%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-0q0zJPDOROk/VcTC850_y8I/AAAAAAAAQsU/HlT3tyYdFic/clip_image008%25255B4%25255D_thumb.png" alt="clip_image008[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-JDO9q3PzSc8/VcTC9eUaJGI/AAAAAAAAQsc/Ub-UXWNmucI/s1600-h/clip_image009%25255B4%25255D%25255B2%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-5HDWDhZyios/VcTC-GjbypI/AAAAAAAAQsk/dA6WyBtgIzU/clip_image009%25255B4%25255D_thumb.png" alt="clip_image009[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-BtRFeRibyBc/VcTC-0Yr27I/AAAAAAAAQss/xciwuOhnuac/s1600-h/clip_image010%25255B4%25255D%25255B2%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-mSYyOm2PPl8/VcTC_SJNOgI/AAAAAAAAQs0/n4hTWlVfWaw/clip_image010%25255B4%25255D_thumb.png" alt="clip_image010[4]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-AZlryqhxOkk/VcTC_zVufMI/AAAAAAAAQs8/VXQQhlfZ3ik/s1600-h/clip_image011%25255B4%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-dhEy6yea6fM/VcTDAT8thrI/AAAAAAAAQtI/_wYG9N7T2UQ/clip_image011%25255B4%25255D_thumb.png" alt="clip_image011[4]"/></a></figure>



<p><br> ;<br><strong>To prepare all domains run the following cmd</strong><br> ;<br>Setup.exe /PrepareAllDomains /IAcceptExchangeServerLicenseTerms<br> ;<br>From <;<a href="https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1">https://technet.microsoft.com/en-us/library/bb125224(v=exchg.160).aspx#Step1</a>>;<br> ;<br>Before moving on you will have to fulfill the Software Prerequisites which is attached below.. It’s the same as in Exchange 2013.<br> ;<br><br> ;<br><br><br><br><br> ;<br>Now I will start the Exchange Installation from the Setup, You can follow the setup till the end as in the following screenshots:<br> ;<br><br><br><br><br><br><br><br><br><br><br></p>



<p><strong>Now I will create DAG and replicate DBs and notice FastSearch logs</strong><br><br>Since this is a LAB and I only have 2 nodes (DAG must have an odd number for Failover), so I am going to use the DC server as my FSW (Which is highly not recommended for Production Environment).</p>



<p>In order for the FSW on DC to work, you will have to add your DC to the Exchange Trusted Subsystem group</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-t_MeWLx3CrQ/VcTDBF_DbLI/AAAAAAAAQtM/5_Uq36S2U40/s1600-h/clip_image001%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-_XxTpQ_xAP8/VcTDBpnojkI/AAAAAAAAQtU/WhSGs8Ila1Q/clip_image001%25255B6%25255D_thumb.png" alt="clip_image001[6]"/></a></figure>



<p>Here I added the DC as a member of the group</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-zocECvQh7ME/VcTDCDX-rjI/AAAAAAAAQtc/WqKpdHxtYY4/s1600-h/clip_image002%25255B6%25255D%25255B2%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-lOLGH36Uyaw/VcTDC7OQAJI/AAAAAAAAQto/5OoEYMa_BCc/clip_image002%25255B6%25255D_thumb.png" alt="clip_image002[6]"/></a></figure>



<p>Normally file server feature is already added to the server by default, but to make sure I’ll run the following command</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-6qs_vZQTzco/VcTDDZA-KqI/AAAAAAAAQtw/UoN-t3-i8HQ/s1600-h/clip_image003%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-3ZCViw-QnDo/VcTDER4lgdI/AAAAAAAAQt4/V5ZSrrox4bI/clip_image003%25255B6%25255D_thumb.png" alt="clip_image003[6]"/></a></figure>



<p>It’s already there</p>



<p>Now I’ll go back to Exchange servers and add a second NIC for Replication..</p>



<p>I usually rename each NIC so I know which is which, the default NIC belongs to the MAPI traffic and the other one is the replication NIC.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-J9CN-nRD2vQ/VcTDH3mPPKI/AAAAAAAAQuA/2nBm48ARMSw/s1600-h/clip_image004%25255B6%25255D%25255B2%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-cN7hbe1bXd4/VcTDIuQVp2I/AAAAAAAAQuI/VFJPtWLTk8c/clip_image004%25255B6%25255D_thumb.png" alt="clip_image004[6]"/></a></figure>



<p>I will configure the Replication NICs on both exchange servers to disable the “Register this connection’s addresses in DNS”</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-p97LerOGvsw/VcTDJWj13mI/AAAAAAAAQuQ/1XFC_PmsYUA/s1600-h/clip_image005%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-VX6Nt0cvn7I/VcTDKM4W6wI/AAAAAAAAQuU/cgVbOqnjJSA/clip_image005%25255B6%25255D_thumb.png" alt="clip_image005[6]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-7wLY52_Dw7c/VcTDKpQygXI/AAAAAAAAQuc/LsTIUTUpSVA/s1600-h/clip_image006%25255B4%25255D%25255B2%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-I79HtdIri0o/VcTDLLM8PII/AAAAAAAAQuo/dRdVfZ0sYd8/clip_image006%25255B4%25255D_thumb.png" alt="clip_image006[4]"/></a></figure>



<p>Checking ping between Exchange servers on the Replication NIC</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-RQPFadMc1ss/VcTDL_m8UfI/AAAAAAAAQuw/XtXOh6d6LRA/s1600-h/clip_image007%25255B6%25255D%25255B2%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-mo6DOBq-nL4/VcTDMapMRZI/AAAAAAAAQu4/OkDXZ_xtSM0/clip_image007%25255B6%25255D_thumb.png" alt="clip_image007[6]"/></a></figure>



<p>Now I will create the CNO Object (Cluster Name Object) in the Active directory for the DAG</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-DOMFSF7xR90/VcTDM4E022I/AAAAAAAAQvA/TR96EY8FUd0/s1600-h/clip_image008%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-9_MjcBr0Td8/VcTDNiugu9I/AAAAAAAAQvE/-V3mENFTQ7k/clip_image008%25255B6%25255D_thumb.png" alt="clip_image008[6]"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-esCxN6IaFDM/VcTDOCJG7KI/AAAAAAAAQvM/1D-3_Lb4-XY/s1600-h/clip_image009%25255B6%25255D%25255B2%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-2a1u_hJzA-k/VcTDO7sebxI/AAAAAAAAQvU/ZipjQaTDSeg/clip_image009%25255B6%25255D_thumb.png" alt="clip_image009[6]"/></a></figure>



<p>I will disable the object</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-0TBV5c5L3FE/VcTDPX9y3LI/AAAAAAAAQvg/lX9Xn6a5fQ0/s1600-h/clip_image010%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-mz7pGNR0BkM/VcTDQBPULBI/AAAAAAAAQvo/exix-gMoX6g/clip_image010%25255B6%25255D_thumb.png" alt="clip_image010[6]"/></a></figure>



<p>Double click on the DAG object and go to Security tab and add Exchange servers</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-zew_4ZsSA8c/VcTDQj6YSjI/AAAAAAAAQvw/2wuNd_IPAk0/s1600-h/clip_image011%25255B6%25255D%25255B2%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-JrgnhlYhEWg/VcTDRVWfEMI/AAAAAAAAQv0/k3V0Jg0V8VQ/clip_image011%25255B6%25255D_thumb.png" alt="clip_image011[6]"/></a></figure>



<p>Now configure the security for the Exchange members to full</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-YJp_lwt8WjA/VcTDR6O_U-I/AAAAAAAAQv8/nbG3AUfTU6Y/s1600-h/clip_image012%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-eOyTXsPviB8/VcTDSVoLUrI/AAAAAAAAQwE/G5fP1z9tN-k/clip_image012_thumb.png" alt="clip_image012"/></a></figure>



<p>Apply and close…</p>



<p>Now on the DC I will create the FSW’s folder and give it full permission to the Trusted Subsystem group and exchange servers</p>
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<p>Click apply and go back to EAC and I’ll start configuring the DAG</p>



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<p>Microsoft says that one of the enhancements that have been added to Exchange 2016 is that DatabaseAvailabilityGroupIpAddresses is no longer required when creating a DAG.</p>



<p>By default, the failover cluster will be created without an administrative access point, as this is the recommended best practice.</p>



<p>From <;<a href="http://blogs.technet.com/b/exchange/archive/2015/05/05/exchange-server-2016-architecture.aspx">http://blogs.technet.com/b/exchange/archive/2015/05/05/exchange-server-2016-architecture.aspx</a>>;</p>



<p>So in this case we won’t need to assign any IP address to the DAG…</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-QB4mhu739KM/VcTDW6Q3F2I/AAAAAAAAQw8/0n-mgeQrdMg/s1600-h/clip_image016%25255B3%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-p7vTchmYhik/VcTDXeH7dvI/AAAAAAAAQxI/vOISaSmrQkU/clip_image016_thumb.png" alt="clip_image016"/></a></figure>



<p>I’ll click on save and see what happens</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-aE_-IvLB1u8/VcTDX7TGTRI/AAAAAAAAQxQ/qywa44FnVSg/s1600-h/clip_image017%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-Au5cDMBglO8/VcTDYb1bJwI/AAAAAAAAQxU/BJEXxBkHLB4/clip_image017_thumb.png" alt="clip_image017"/></a></figure>



<p>Navigating to the administrators group on AD, The Exchange subsystem group is not added so I’ll add it.</p>



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<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-dRZcOVqS3r0/VcTDaOBtGBI/AAAAAAAAQxs/IEEg-PTQ7yE/s1600-h/clip_image019%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-iZ5bBfV-GK4/VcTDavhf_LI/AAAAAAAAQx4/YYdE1xPwmRc/clip_image019_thumb.png" alt="clip_image019"/></a></figure>



<p>Now I will add Exchange servers as members to the DAG</p>



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<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-B6osHCm6KoE/VcTDdjxNCzI/AAAAAAAAQyc/APZ9wDeG78E/s1600-h/clip_image022%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-gFgdk_kYCOw/VcTDefotxII/AAAAAAAAQyo/ZZINOUuYGXA/clip_image022_thumb.png" alt="clip_image022"/></a></figure>



<p>Upon adding the Exchange members to DAG I got the following error</p>



<p>A server-side database availability group administrative operation failed. Error The operation failed. CreateCluster errors may result from incorrectly configured static addresses. Error: Windows Failover Clustering isn’t installed on ‘EXCH2K16.test.com’.. [Server: EXCH2K16.test.com]<br>error<br>A server-side database availability group administrative operation failed. Error The operation failed. CreateCluster errors may result from incorrectly configured static addresses. Error: Windows Failover Clustering isn’t installed on ‘EXCH2k1602.test.com’.. [Server: EXCH2k1602.test.com]</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-i5GKTbeoq7U/VcTDewI5zvI/AAAAAAAAQys/vK0qV5lS23g/s1600-h/clip_image023%25255B3%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-FbzpiXf91Uo/VcTDfijWdpI/AAAAAAAAQy0/NWBBdlRxan8/clip_image023_thumb.png" alt="clip_image023"/></a></figure>



<p>So I checked the following,<br>1- Firewall<br>2- CNO’s security settings.</p>



<p>Error occurs due to firewall being enabled on the DC (Where the FSW is )</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-Vt8RXiHeVCg/VcTDgN3UlYI/AAAAAAAAQy8/BMmi6MP8BDg/s1600-h/clip_image024%25255B3%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-iHLHld72Jjk/VcTDgyNm3QI/AAAAAAAAQzI/YQhxWeWpukI/clip_image024_thumb.png" alt="clip_image024"/></a></figure>



<p>I disabled the firewall and gave full permission to the Exchange trusted system to the DAG object</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-qBGJ9GCRLyg/VcTDhoouqkI/AAAAAAAAQzM/qyemiVWEvO8/s1600-h/clip_image025%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-3dO50mw04iA/VcTDiC3tvkI/AAAAAAAAQzU/4AiSh7oPhRM/clip_image025_thumb.png" alt="clip_image025"/></a></figure>



<p>After that I signed out of Exchange servers, signed back in.. Deleted DAG and recreated it… that didn’t work either</p>



<p>Tried using Exchange management shell but it didn’t work too</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-rnJb0AkTwr4/VcTDi4I0tsI/AAAAAAAAQzg/t32ajis7J58/s1600-h/clip_image026%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-PHJji88Odm4/VcTDjh1RAGI/AAAAAAAAQzo/bvBE3T9lz4c/clip_image026_thumb.png" alt="clip_image026"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-BxmVXqP9sjY/VcTDkJFl1aI/AAAAAAAAQzs/aJISjQuyKiY/s1600-h/clip_image027%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-6fhhW83LjSI/VcTDkvVMdJI/AAAAAAAAQz0/2DdVTbFL334/clip_image027_thumb.png" alt="clip_image027"/></a></figure>



<p>Checking the log coming in the description, I find out the log is complaining about not finding DAG while trying to resolve it.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-t7aU8hw-Gbg/VcTDldWOgiI/AAAAAAAAQ0A/dg2-zsqt3cI/s1600-h/clip_image028%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-JjPcvFBsARY/VcTDmOEdfeI/AAAAAAAAQ0E/7QC4hc-QcVQ/clip_image028_thumb.png" alt="clip_image028"/></a></figure>



<p>Also the log says that it has installed Failover cluste rbut still the cluster can’t find FQDN called DAG.</p>



<p>So I will have to configure DAG in the dns and give it an IP of my first Exchange server</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-c9H5geqCStU/VcTDmmD4DaI/AAAAAAAAQ0M/syCr9-d1CaM/s1600-h/clip_image029%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-xxHULx8bTM8/VcTDnEq1GiI/AAAAAAAAQ0U/JzkF7EaYTCA/clip_image029_thumb.png" alt="clip_image029"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-V9BwIvgw-fg/VcTDnieg0qI/AAAAAAAAQ0c/t7ucoKR1DrU/s1600-h/clip_image030%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-F13Invl7SEA/VcTDoMId8NI/AAAAAAAAQ0k/Wylo2jh0TFM/clip_image030_thumb.png" alt="clip_image030"/></a></figure>



<p>Checking DAG resolving from Exchange server</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-o-MFyHJOc6w/VcTDo_yo2sI/AAAAAAAAQ0w/GhBGJscWrb4/s1600-h/clip_image031%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-oX8qKCdVYdA/VcTDpg_0biI/AAAAAAAAQ00/Gy6zRGhdgNY/clip_image031_thumb.png" alt="clip_image031"/></a></figure>



<p>As the log says, restart is required after installing failover cluster so I’ll restart Exchange servers and then retry to add Exchange servers to the dag.</p>



<p>After restarting the server, It seems that things are working</p>



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<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-kgEjSdvPDWs/VcTDrFknZfI/AAAAAAAAQ1M/EPxkQXs-z18/s1600-h/clip_image033%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-cX_00gN5UpQ/VcTDrpzuciI/AAAAAAAAQ1Y/wjwi-uL_UJw/clip_image033_thumb.png" alt="clip_image033"/></a></figure>



<p><strong>The second server gave the following error</strong><br><br>The Microsoft Exchange Replication service does not appear to be running on “EXCH2k1602”. Make sure that the server is operating, and that the services can be queried remotely.</p>



<p>Apparently the error is correct, After restarting the server it turned out that most of the second Exchange server’s services were not working..</p>



<p>To be honest I didn’t ask myself why did not the services started since I am using a preview version of Exchange 2016 and Windows as well so I manually started all the services.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-IsD4h9wnOaY/VcTDsfV9YtI/AAAAAAAAQ1c/12LmNNr1EQE/s1600-h/clip_image034%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-71Dz732-15g/VcTDs8aXv4I/AAAAAAAAQ1k/EuSJuKabpEk/clip_image034_thumb.png" alt="clip_image034"/></a></figure>



<p>Interestingly while checking services, I noticed new services e.g. (DAG Management, Compliance Audit, Notifications broker)</p>



<p>After starting the services, now I tried to add the second server again to the DAG.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-yO4jWOR_4wY/VcTDtUvSVDI/AAAAAAAAQ1s/4exgfuZNHw8/s1600-h/clip_image035%25255B3%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-eDIktfEm7eg/VcTDtxGp2pI/AAAAAAAAQ10/uQDaoJkau0Y/clip_image035_thumb.png" alt="clip_image035"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-qdspNhMe93g/VcTDuoujnII/AAAAAAAAQ18/D_8sAayuMi8/s1600-h/clip_image036%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-avGYZNCOp5w/VcTDvCmgChI/AAAAAAAAQ2E/JI3g4Rpl6V4/clip_image036_thumb.png" alt="clip_image036"/></a></figure>



<p>So eventually, DAG doesn’t need an IP address but still a DNS value needs to be created for the NCO object and needs to have an IP assigned to it which will be the Exchange server IP address..</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-4rbt6qhAXho/VcTDvqsaGrI/AAAAAAAAQ2M/TTTGokfmUec/s1600-h/clip_image037%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-4fxdEZS6ghU/VcTDwGKdipI/AAAAAAAAQ2U/p7olyMMR-Ro/clip_image037_thumb.png" alt="clip_image037"/></a></figure>



<p>Next: I will add a database copy and see how it’s improved and do I need to restart the IS service as in Exchange 2013.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-FWpBFwCGdeA/VcTDwwMbcoI/AAAAAAAAQ2g/H91XSF0m4M0/s1600-h/clip_image038%25255B3%25255D.png"><img src="https://i1.wp.com/lh3.googleusercontent.com/-urgomJSH-FQ/VcTDxe9gmnI/AAAAAAAAQ2o/pd5x1P0xYLo/clip_image038_thumb.png" alt="clip_image038"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-L2rn3vHym2k/VcTDyHWY-nI/AAAAAAAAQ2s/LVQlD0S1OOw/s1600-h/clip_image039%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-nmQ9_Ttbm4s/VcTDylJ3KkI/AAAAAAAAQ20/kEqmPK0-9ak/clip_image039_thumb.png" alt="clip_image039"/></a></figure>



<p>I will leave all the default values and add the second server for the database to be copied on. Unlike Exchange 2013 in most of the times the database would fail first and gives an error ..</p>



<p>In 2016 it starts directly seeding the database to the second Exchange server that’s member of the DAG.</p>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-PMjib9HwQR0/VcTDzKpHNKI/AAAAAAAAQ28/7S8kE5RIY6E/s1600-h/clip_image040%25255B3%25255D.png"><img src="https://i2.wp.com/lh3.googleusercontent.com/-wZRWX9yVeyw/VcTDz5dpP5I/AAAAAAAAQ3I/fMkBp5Y2bkw/clip_image040_thumb.png" alt="clip_image040"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-VyI7Gyjd3vc/VcTD0xVoWQI/AAAAAAAAQ3M/u7kdMdyoeuA/s1600-h/clip_image041%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-aAhVxRWiM_M/VcTD1slnbII/AAAAAAAAQ3Y/YcDGbgETHy4/clip_image041_thumb.png" alt="clip_image041"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-_BNrJdQK7L0/VcTD2Vvsc3I/AAAAAAAAQ3g/v6uuWJLQBkQ/s1600-h/clip_image042%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-ZW9hjsQJ7EQ/VcTD3JKi8EI/AAAAAAAAQ3o/y9C-BSUtho8/clip_image042_thumb.png" alt="clip_image042"/></a></figure>



<figure class="wp-block-image"><a href="http://lh3.googleusercontent.com/-1cpDFNa5gvw/VcTD34G5atI/AAAAAAAAQ3w/gnXz4qqDIWw/s1600-h/clip_image043%25255B3%25255D.png"><img src="https://i0.wp.com/lh3.googleusercontent.com/-P0aO8bBlmUk/VcTD4nCeyUI/AAAAAAAAQ30/YVOTvcSGfaU/clip_image043_thumb.png" alt="clip_image043"/></a></figure>



<p><br><br><br> ;<br>On the second Server where the database has been copied to, I checked the Logs and Fastsearch was throwing errors as usual since database logs are not copied … as soon as the database logs finished copying the fastsearch will return ok and the database will appear as Healthy in EAC.<br> ;<br></p>



<p>Fastsearch finally reported that indexing started on the newly copied DB.</p>
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<p><br>The database copy should now report healthy in the EAC.<br><br> ;<br>Hope you find this useful.<br>In the next article I will publish the Exchange server online to check the rest of the functionalities.</p>

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