Error 1638 – Skype for Business In-Place Upgrade Edge Server

Environment: Lync Server 2013 -Front-end Standard Edition Lync Server 2013- Edge Issue: Skype for Business In-Place upgrade was being performed , the Front-end server was successfully upgraded. The edge server was upgraded to Skype for Business in the topology and received the replicated event. The Edge server SQL was upgraded to Service Pack 2, .Net […]

Lync 2013 – Audio Test Service Failed to start after SIP domain change

During a primary SIP domain name change the Audio Test Service Failed to start up with the Error: EventID: 32003: Failed to start RTCATS Service The Application Host could not start the application urn:application:testbot Opened Lync Management Shell and Ran the Command: Get-CsAudioTestServiceApplication and it returned Where the SIP Address was showing the incorrect domain ie. […]

KB3114351: breaks Exchange MAPI connection in Skype for Business

Environment: Lync Server 2013 – On Premise Outlook 2010 Skype for Business 2015 Client (Lync 2013) Issue: After the installation of of KB3114351 client security update for Microsoft Lync 2013 and Skype for Business. We started receiving the error: “Exchange needs your credentials. Until… Enter Credentials” Looking into the issue a bit further it seemed that Exchange Web […]

Office WebApps Server fails to render powerpoint in Skype for Business

In a Skype for Business deployment I  setup and configured an Office WebApps Server 2013 w/Sp1 following the Microsoft Technet Article on a Windows Server 2012 R2. Once the Office WebApps Server was deployed, I was able to browse to https://wac.domain.com/hosting/discovery and the xml file was displayed on the Skype for Business server and client PC. Then […]

503 Service Unavailable Exchange Unified Messaging MWI-Cisco Unified Call Manager

Integrating Exchange Unified Messaging (UM) with a Cisco Call Manager (CUCM) we setup and configured the Exchange and CUCM integration as per my previous post here. This deployment is a multi (3) CUCM Deployment and multi (6) Exchange UM Deployment. We then were testing the integration where we placed a call between Cisco Phone 1 and […]

Skype for Business SQL Error System.IO.IOException: The network name cannot be found.

On a recent Skype for Business Enterprise Server deployment, we added a new SFB Pool with the appropriate infrastructure ie. Backend SQL Cluster, DFS Network share. When it was time to Publish the topology we selected all the defaults for SQL where it will “Automatically Determine database file location” where the installer will look at the […]

Error code 1603 – Skype for Business In-Place upgrade

Was performing a Lync 2013 to Skype for Business In-place upgrade a couple weeks back when during the installation I received the error 1603: Error returned while installing Server.msi(RegistrarStore), code 1603. and then. Error returned while installing OcsCore.msi(Feature_LocalMgmtStore), code 1603. After a bit of investigation I found that initially this deployment was a Lync Server […]

An unauthorized delegate operation was attempted

I enabled the use of Sefautil using the instructions located here. I wanted to add myself as a delegate for another user to allow users to send Lync/Skype for Business Meetings calendar invites on behalf of another user. I ran this command: .\Sefautil.exe /Server:LyncFe01.domain.com sip:John.Smith@domain.com /adddelegate:Habib.Mankal@domain.com everytime i ran the above command it would not […]