Lync/SfB: Quickly access the Certificate Store

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… Read more

Lync/SfB Server: Stop Front End service in Starting state

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… Read more

Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update

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… Read more

Lync/Skype4B Server: OAuthTokenIssuer, Assigned certificate not found or untrusted.

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… Read more

Lync Server: Event 41029 LS Data MCU – No connectivity with the Lync Web App

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:… Read more

Lync/Skype4B Server: Manually update the Edge Server Configuration

In a recent support case we had a case that the customer had some urgency to add a new Allowed Domain to be quickly pushed to his Skype for Business 2015 Edge Servers. However, the replication wasn’t working: Get-CsManagementStoreReplicationStatus | ft -AutoSize https://technet.microsoft.com/en-us/library/gg399052.aspx An easy solution to this is to perform a manual update and… Read more

MSPL: How to monitor calls that are allowed/blocked by CallerIDBlock

While reviewing a comment on Missed call notification when the call is blocked by CallerIDBlock MSPL Script we realize that the calls blocked by the CallerIDBlock are hard to track. An easy way to get an event for each blocked call is to use the Log function: MSPL built-in functions > Log https://msdn.microsoft.com/en-us/library/office/dn439170.aspx The CallerIDBlock previous version (1.1) sends the… Read more

Lync/SfB Server: Create a custom announcement for Unanswered Calls

We were asked if we could customize the sound/tone for unanswered calls when the called user isn’t voice mail enabled. Usually the mobile networks will play a announcement like “Sorry, the person you tried to call isn’t available please try again later”. In Lync/SfB Server we cannot change the default tone, however, we can use… Read more

Missed call notification when the call is blocked by CallerIDBlock MSPL Script

After deploying the CallerIDBlock script, some users mentioned that they received a Missed Call Notification in their mailbox. During our troubleshooting process, we found out that this was happening because the priority of the CallerIDBlock was low: Get-CsServerApplication | ft -AutoSize https://technet.microsoft.com/en-us/library/gg425948.aspx In this example, the CallerIDBlock has priority 12, while DefaultRouting has 8. The Missed Call Notification is generated by… Read more

Lync/SfB Server: Test-CsDatabase uses local server to determine ExpectedVersion

While doing some lab testing we notice the Test-CsDatabase uses the local server current update to verify which is the expected version. As an example, in our lab we have pool.gears.lab with January 2014 Cumulative Update and it will return the following: Test-CsDatabase -ConfiguredDatabases -SqlServerFqdn sql01.gears.lab | Select SqlServerFqdn, SqlInstanceName, DatabaseName, InstalledVersion, ExpectedVersion | ft -AutoSize… Read more