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<h2>Blank page on RDWeb for users </h2>
<p>When you have finished deploying Azure WVD machines and added those machines in the correct hosts you might fall into this error by a chance and not easily be able to understand or see it.</p>
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<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image0014.png"><img width="780" height="202" title="clip_image001[4]" style="margin: 0px; display: inline; background-image: none;" alt="clip_image001[4]" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image0014_thumb.png" border="0"></a> 

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</p>
<p>During the creation of Host Pools and AppGroups you might want to create your own fancy Host pool names and app group names, This is something normal but not when you want to use Azure WVD.</p>
<h2>What Happens? </h2>
<p>When you create an app group name other than the ones already existing (<strong>Desktop Application Group</strong>) you have to make sure that you would type this group name into the ARM Template since while deploying the VMs and typing the template would choose the default Application Group Name.</p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/image-16.png"><img width="664" height="772" title="image" style="margin: 0px; display: inline; background-image: none;" alt="image" src="https://www.moh10ly.com/wp-content/uploads/2020/04/image_thumb-16.png" border="0"></a></p>
<h4>Error 1</h4>
<p>The connection to the remote PC was lost. This might be because of a network connection problem. If this keeps happening, ask your admin or tech support for help.</p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image0016-2.png"><img width="780" height="202" title="clip_image001[6]" style="margin: 0px; display: inline; background-image: none;" alt="clip_image001[6]" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image0016_thumb-2.png" border="0"></a></p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image002-1.png"><img width="1028" height="498" title="clip_image002" style="margin: 0px; display: inline; background-image: none;" alt="clip_image002" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image002_thumb-1.png" border="0"></a></p>
<h4>Error 2</h4>
<h4>User is assigned to the wrong Application Group</h4>
<p>add-RdsAppGroupUser : The specified UserPrincipalName is already assigned to a RemoteApp AppGroup in the specified HostPool.</p>
<p>ActivityId: feb39a7b-b74f-49d3-a100-1fc22ec66454</p>
<p>Powershell commands to diagnose the failure:</p>
<p>Get-RdsDiagnosticActivities -ActivityId feb39a7b-b74f-49d3-a100-1fc22ec66454</p>
<p>At line:4 char:1</p>
<p>+ add-RdsAppGroupUser -TenantName cagriandMoh10ly -HostPoolName WVD-Hos &#8230;</p>
<p>+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</p>
<p>+ CategoryInfo : FromStdErr: (Microsoft.RDInf&#8230;RdsAppGroupUser:AddRdsAppGroupUser) [Add-RdsAppGroupUser], RdsPowerShellException</p>
<p>+ FullyQualifiedErrorId : UpnAlreadyHasRemoteAppAssignment,Microsoft.RDInfra.RDPowershell.AppGroupUser.AddRdsAppGroupUser</p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image003.png"><img width="1028" height="383" title="clip_image003" style="margin: 0px; display: inline; background-image: none;" alt="clip_image003" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image003_thumb.png" border="0"></a></p>
<h4>Solution:</h4>
<p>Remove the user from the other application group and add him to the one where you have your RdsSessionHost that you would like your users to access.</p>
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<p>Connect to Azure-AD first and run the following command, Make sure you specify the AppGroupName that you want to remove your users from and the AD Group that&#8217;s relevant to those users.</p>
<p>foreach($UPN in (Get-AzureADGroupMember -ObjectId ((Get-AzureADGroup | Where-Object DisplayName -Like &#8220;WVDUsers&#8221;).ObjectId)).UserPrincipalName)</p>
<p>{</p>
<p>Write-Output $UPN</p>
<p>Remove-RdsAppGroupUser -TenantName cagriandMoh10ly -HostPoolName WVD-Host-Pool01 -AppGroupName &#8220;Desktop App Group&#8221; -UserPrincipalName $UPN</p>
<p>} </p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image004.png"><img width="1028" height="112" title="clip_image004" style="margin: 0px; display: inline; background-image: none;" alt="clip_image004" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image004_thumb.png" border="0"></a></p>
<p>Add the Users again and see what happens </p>
<p>foreach($UPN in (Get-AzureADGroupMember -ObjectId ((Get-AzureADGroup | Where-Object DisplayName -Like &#8220;WVDUsers&#8221;).ObjectId)).UserPrincipalName)</p>
<p>{</p>
<p>Write-Output $UPN</p>
<p>Add-RdsAppGroupUser -TenantName cagriandMoh10ly -HostPoolName WVD-Host-Pool01 -AppGroupName &#8220;Desktop Application Group&#8221; -UserPrincipalName $UPN</p>
<p>} </p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image005.png"><img width="1028" height="111" title="clip_image005" style="margin: 0px; display: inline; background-image: none;" alt="clip_image005" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image005_thumb.png" border="0"></a></p>
<p>Refresh the RDWEB Page and see if you can access your host</p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image006.png"><img width="689" height="257" title="clip_image006" style="margin: 0px; display: inline; background-image: none;" alt="clip_image006" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image006_thumb.png" border="0"></a></p>
<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image007.png"><img width="1028" height="578" title="clip_image007" style="margin: 0px; display: inline; background-image: none;" alt="clip_image007" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image007_thumb.png" border="0"></a></p>
<p>The same desktop came back since we are using FSLogix profile container</p>
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<p><a href="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image008.png"><img width="1028" height="433" title="clip_image008" style="margin: 0px; display: inline; background-image: none;" alt="clip_image008" src="https://www.moh10ly.com/wp-content/uploads/2020/04/clip_image008_thumb.png" border="0"></a></p>

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