While troubleshooting the issue described in Checking for "ms-RTC-SIP-TrustedServer" multiple Active Directory entries with PowerShell, we encountered more duplicates for the same server, so we decided to compile all in one place. Like in our previous post Checks to do in the Lync/SfB Certificate Store, this list will also be updated and, again, you are … Continue reading Lync/SfB Server: Checking for duplicate entries in the Active Directory Configuration Partition
Tag: SfB Server 2019
Checks to do in the Lync/SfB Server Certificate Store
Update 2023/04/17 - Script available at PowerShell Gallery Install-Script Test-CertificateStore Test-CertificateStore Update 2019/06/10 - Added Check #7 for expired certificates. The checks described in this article are the result of what we normally check during troubleshooting. Some of these already have specific error events, but the objective here is to try to avoid that these … Continue reading Checks to do in the Lync/SfB Server Certificate Store
Checking for “ms-RTC-SIP-TrustedServer” multiple Active Directory entries with PowerShell
While publishing and enabling a topology, we were getting this error: Enable-CsTopology: Multiple Active Directory entries were found for type"ms-RTC-SIP-TrustedServer" with ID "<SERVER FQDN>". The publishing was successful but then the enabling was showing this error. The next step was to check the duplicates in the Active Directory Configuration Partition. For those who have already … Continue reading Checking for “ms-RTC-SIP-TrustedServer” multiple Active Directory entries with PowerShell
Lync/SfB: How to configure Internal Web Services Override FQDN
A common question while planning/deploying Lync Server and Skype for Business Server is: When do we need to configure Internal Web Services Override FQDN? The answer to this is quite simple — we only need it if we have to split SIP traffic from HTTP/HTTPS. We know that this answer will raise more questions, so first we should … Continue reading Lync/SfB: How to configure Internal Web Services Override FQDN
Request/Renewing Skype for Business Server 2015 Certificates
Here are the steps to request or renew certificates in Skype for Business Server 2015. Most of the steps are similar to Lync Server 2010/2013, so to start let's go to the well-known Deployment Wizard Step 3 and click Run or Run Again (depending on if you are requesting for the first time or renewing … Continue reading Request/Renewing Skype for Business Server 2015 Certificates
Lync Server 2013: Event 14497,14517 LS Protocol Stack
This issue dates a while back, but after Lync Server 2013 Cumulative Update 3 (5.0.8308.556 and above) the Edge Server Access Service won't start with the Event 14497 LS Protocol Stack: One or more configuration errors were detected at startup that cannot be mitigated. Cause: There are serious problems with the server configuration that prevented … Continue reading Lync Server 2013: Event 14497,14517 LS Protocol Stack
Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015
In Lync Server 2013, there were requests regarding an alternative to SQL Mirroring for SQL Server High Availability. This was related to the fact that SQL Mirroring was marked as a feature to be removed in future SQL Server versions: This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, … Continue reading Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015
Deploying Kemp Technologies Free LoadMaster as Load Balancer and Reverse Proxy
Update 2017/06/07 – Updated the screenshots with the new Kemp LoadMaster UI. In a recent Lync deployment, we were installing a new Kemp Technologies LoadMaster and a new license type was shown: This is great news since we can use it for test/lab environments without having the previous 30 days limitation. Also, in the End … Continue reading Deploying Kemp Technologies Free LoadMaster as Load Balancer and Reverse Proxy
Lync/SfB Server: Event 31137,31138 LS Response Group Service
These are common warnings and usually associated with issues such as disabled AD account or user removed from Lync Server: Log Name: Lync Server Source: LS Response Group Service Date: 22/12/2014 19:32:15 Event ID: 31137 Task Category: (2001) Level: Warning Keywords: Classic User: N/A Computer: ************ Description: During the Active Directory update non-SIP enabled agents were … Continue reading Lync/SfB Server: Event 31137,31138 LS Response Group Service
Lync Server 2013: Event 31007 LS Certificate Manager
It is really important to regularly check the Event Viewer for Warnings/Errors (or to use System Center Operation Manager to do it for you). In one of these checks, the following event was found: Log Name: Lync Server Source: LS Certificate Manager Date: 06/10/2014 02:29:30 Event ID: 31007 Task Category: (1016) Level: Warning Keywords: Classic … Continue reading Lync Server 2013: Event 31007 LS Certificate Manager