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
A quick way to change the Lync/SfB Server PowerShell window size is to run the following cmdlets: However, this change is temporary, when we open a new Lync/SfB Server PowerShell it will return to the default values. To modify the default values we need to change Layout settings in the Lync/SfB Server PowerShell shortcut properties: Lync … Continue reading Changing Lync/SfB Server PowerShell windows size
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
While troubleshooting an issue where the Front End Service wasn't starting, we notice that the Event Viewer > Applications and Services Logs > Lync Server had references to the local database unavailability: Log Name: Lync Server Source: LS User Services Date: 02/01/2019 14:18:40 Event ID: 32122 Task Category: (1006) Level: Warning Keywords: Classic User: N/A Computer: sfbfe01.recore.lab … Continue reading Lync/SfB Server: Rebuilding the SQL Local Databases
While trying to decommissioning a Lync Server 2013 Director Pool we got the following error message when we publish the new topology: This wasn't expected since a Director Pool shouldn't have users associated with it. After troubleshooting the issue, we notice that some users had the attribute msRTCSIP-PrimaryHomeServer associated to the Lync Server 2013 Director … Continue reading Cannot remove the Director Pool – Users or Contacts are associated to it.
In a previous post we wrote about the Checks to do in the Lync/Skype for Business Server Certificate Store, however, sometimes we might also want to manually check it using the Certificate Store MMC. Since Windows Server 2012 and Windows 8 we can quick access the Certificate Store MMC, for Local Computer and Current User, using Command Prompt/PowerShell or the … Continue reading Lync/SfB Server: Quickly access the Certificate Store
Some of the cases we work have the Front End service in a Starting state: In PowerShell the status is StartPending: We cannot stop it on the Services Management Console: We can go to Task Manager and try to manual stop the service: If that doesn't work we need to Go to Details and End task that is associated with … Continue reading Lync/SfB Server: Stop Front End service in Starting state
Update 2017/06/28 – In Workaround #1 we also need to request new Front End certificates with Client and Server authentication in the EKU. Recently we notice that Lync Server 2010/2013 and Skype for Business Server 2015 Front Ends were generating the Events 41025 and immediately after the Event 41026: Log Name: Lync Server Source: LS … Continue reading Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update
In a recent support case the OAuth certificate was missing in one of the Front Ends: We also notice the Missing message in the Deployment Wizard Step 3, for the OAuth certificate: And in PowerShell we had the following error when we tried to check the certificates: Get-CsCertificate https://technet.microsoft.com/en-us/library/gg398227.aspx Get-CsCertificate : OAuthTokenIssuer: Assigned certificate not found … Continue reading Lync/SfB Server: OAuthTokenIssuer, Assigned certificate not found or untrusted.
In a recent support case we were working on an issue where sometimes the users couldn't use the Lync Web App. The troubleshooting started in the Event Viewer > Lync Server, we notice that we had a few errors: Log Name: Lync Server Source: LS Data MCU Date: 01/03/2017 15:00:43 Event ID: 41029 Task Category: (1018) Level: … Continue reading Lync Server: Event 41029 LS Data MCU – No connectivity with the Lync Web App