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

Lync/SfB 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 … Continue reading Lync/SfB Server: OAuthTokenIssuer, Assigned certificate not found or untrusted.

SfB Server 2015: Cannot install Cumulative Update – Failed to create network share. (-2147467259 xds-replica)

In a recent support case we couldn't install the Skype for Business Server 2015 Cumulative Update on a Edge Server: We checked the Skype for Business Core Components log file (OcsCore.msp-EDGESTD-[2017-03-21][15-30-48]_log.txt) located in %TEMP%: The log showed that the Setup was aborted because it couldn't create a file share: CreateSmb: Error 0x80004005: failed to create … Continue reading SfB Server 2015: Cannot install Cumulative Update – Failed to create network share. (-2147467259 xds-replica)

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

Lync/SfB 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://docs.microsoft.com/powershell/module/skype/Get-CsManagementStoreReplicationStatus An easy solution to this is to perform a manual update and … Continue reading Lync/SfB Server: Manually update the Edge Server Configuration

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://docs.microsoft.com/previous-versions/office/developer/mspl/dn439170(v=office.15) The CallerIDBlock previous version (1.1) sends the … Continue reading MSPL: How to monitor calls that are allowed/blocked by CallerIDBlock

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