SfB Server 2019: Cannot join meeting on SfB Meeting App – UCWA URL not Passed

After Skype for Business Server 2015 CU5 (May 2017) we can enable the Skype Meetings App for SfB OnPrem deployments and this is also supported on Skype for Business Server 2019. We can enable Skype Meetings App with the steps described in this blog post: Enhanced Experience for Meetings Hosted on Skype for Business On-premises … Continue reading SfB Server 2019: Cannot join meeting on SfB Meeting App – UCWA URL not Passed

Lync/SfB Server: How to fix msRTCSIP-DeploymentLocator when it’s empty/not set

While working on a support case we notice that the AD Attribute msRTCSIP-DeploymentLocator wasn't set for some Skype for Business enabled users. These users could sign in and use the Skype for Business features, however, we decided to make sure all SfB OnPrem users had the correct value - "SRV:" We can use the following … Continue reading Lync/SfB Server: How to fix msRTCSIP-DeploymentLocator when it’s empty/not set

Skype for Business Server 2019 Cumulative Update List: October 2023

The latest updates for Skype for Business Server 2019 and how to update each server role is described here: Updates for Skype for Business Server 2019 Download the latest Cumulative Update for Skype for Business Server 2019 Here is the Cumulative Updates List for Skype for Business Server 2019. Version Cumulative Update KB Article 7.0.2046.530 October 2023 … Continue reading Skype for Business Server 2019 Cumulative Update List: October 2023

Changing Lync/SfB Server PowerShell windows size

A quick way to change the Lync/SfB Server PowerShell window size is to run the following cmdlets: [code language="powershell" light="true"] $pshost = get-host $pswindow = $pshost.ui.rawui $newsize = $pswindow.buffersize $newsize.height = 3000 $newsize.width = 120 $pswindow.buffersize = $newsize $newsize = $pswindow.windowsize $newsize.height = 50 $newsize.width = 120 $pswindow.windowsize = $newsize [/code] However, this change is … Continue reading Changing Lync/SfB Server PowerShell windows size

SfB Server: Cannot install SQL Server 2014 Express SP3

While installing the SQL Server 2014 SP3 we experience the following error: SQL Server Setup has encountered the following error: Exception has been thrown by the target of an invocation. Here is the cmdlet we use: SQLEXPR_x64_ENU.exe /ACTION=Patch /AllInstances /IAcceptSQLServerLicenseTerms Looking at the SQL Setup Bootstrap log we have an exception: C:\Program Files\Microsoft SQL Server\120\Setup … Continue reading SfB Server: Cannot install SQL Server 2014 Express SP3

Lync/SfB Server: Certificate assignment location

Usually to check the Lync/SfB Server assigned certificates we simply use the Certificate Wizard (Step 3 in the Lync/SfB Deployment Wizard): Or we can also use a PowerShell cmdlet: Get-csCertificate https://docs.microsoft.com/powershell/module/skype/get-cscertificate However, there is another way... We can go directly to where the assigned certificates information is located. The certificate assignment is stored in XML, … Continue reading Lync/SfB Server: Certificate assignment location

Invoke-CsComputerFailOver : Command execution failed: Insufficient number of computers

During a test we could not fail over a Skype for Business Front End server with the following error: Invoke-CsComputerFailOver -ComputerName <Server FQDN> https://docs.microsoft.com/powershell/module/skype/invoke-cscomputerfailover WARNING: Invoke-CsComputerFailOver failed. WARNING: Detailed results can be found at "C:\Users\Administrator.RECORE\AppData\Local\Temp\2\Invoke-CsComputerFailOver-59928429-ed4f-4954-b5de-d69b11290780.html". Invoke-CsComputerFailOver : Command execution failed: Insufficient number of computers (only 2 nodes would remain active) to maintain the minimum number of … Continue reading Invoke-CsComputerFailOver : Command execution failed: Insufficient number of computers

SfB Server 2015 (KB4464355) could not be installed. Error code 1603.

While installing the Skype for Business Server 2015 CU8 on the Edge Server we had the following error: In the Server.msp-SFBEDGE01-[2019-01-24][10-36-34]_log: MSI (s) (C0:B4) [10:37:04:023]: Executing op: CustomActionSchedule(Action=CA_InstallDBonPatchInstall,ActionType=3073,Source=BinaryData,Target=ExecuteCommand,CustomActionData=powershell -noprofile -command " & Install-CsDatabase -Update -DatabaseType Registrar -Verbose "|C:\Windows\system32\\WindowsPowerShell\v1.0\powershell.exe|C:\Windows\system32\) MSI (s) (C0:B4) [10:37:04:027]: Creating MSIHANDLE (10878) of type 790536 for thread 4788 MSI (s) (C0:20) [10:37:04:027]: Invoking remote … Continue reading SfB Server 2015 (KB4464355) could not be installed. Error code 1603.

SfB Server 2015, Install-CsDatabase : Command execution failed: The network path was not found. (AlwaysOn BackEnd)

Update: This behavior was fixed in Skype for Business Server 2015 CU9. After installing the Skype for Business Server 2015 CU8, we might see the following error when updating the databases on a AlwaysOn BackEnd: Install-CsDatabase -Update -ConfiguredDatabases -SqlServerFqdn <AlwaysOn SQL Listener> WARNING: Install-CsDatabase failed. WARNING: Detailed results can be found at "C:\Users\Administrator.RECORE\AppData\Local\Temp\2\Install-CsDatabase-e68ceeb8-b8dd-4296-96c6-00d5ec6f96fb.html". Install-CsDatabase : Command … Continue reading SfB Server 2015, Install-CsDatabase : Command execution failed: The network path was not found. (AlwaysOn BackEnd)

SfB Server: Verification Level on Allowed Domains

In Lync Server 2010/2013 when we added a federated partner sip domain to the Allowed Domains list we didn't had the option to configure the Verification Level for each federated sip domain. This means that for Lync Server 2010/2013 the default Verification Level was UseSourceVerification for allowed domains. If we had an open federation, then we could change this … Continue reading SfB Server: Verification Level on Allowed Domains