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

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 Data MCU Date: 5/23/2017 5:31:45 PM Event ID: 41025 Task Category: (1018) Level: Information Keywords: Classic User: N/A Computer: sfbfe.uclobby.com Description: Connection to… 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

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

Script: Lync/SfB Server Certificate Store Validation

In a previous post, we published the checks/validations that we should do in the Certificate Store in the Lync/Skype4B servers. Checks to do in the Lync/Skype4B Certificate Store http://blogs.technet.com/b/uclobby/archive/2015/06/19/checks-to-do-in-the-lync-skype4b-certificate-store.aspx We decided to write a PowerShell with all these checks to make it simple to use. The script will be kept in sync with the post, meaning… Read more