Proxy side Media negotiation failed – Polycom VVX Call transfer failure

  Environment: Skype for Business Enterprise Edition Trunk Configuration Identity : PSTN:GatewayIP OutboundTranslationRulesList : {} SipResponseCodeTranslationRulesList : {} OutboundCallingNumberTranslationRulesList : {} PstnUsages : {} Description : ConcentratedTopology : True EnableBypass : True EnableMobileTrunkSupport : False EnableReferSupport : True EnableSessionTimer : False EnableSignalBoost : False MaxEarlyDialogs : 20 RemovePlusFromUri : False RTCPActiveCalls : True RTCPCallsOnHold : […]

Call drop on transfer – RTP Broken Connection

  Environment: Skype for Business Enterprise Edition Trunk Configuration Identity : PSTN:GatewayIP OutboundTranslationRulesList : {} SipResponseCodeTranslationRulesList : {} OutboundCallingNumberTranslationRulesList : {} PstnUsages : {} Description : ConcentratedTopology : True EnableBypass : False EnableMobileTrunkSupport : False EnableReferSupport : False EnableSessionTimer : True EnableSignalBoost : False MaxEarlyDialogs : 20 RemovePlusFromUri : False RTCPActiveCalls : False RTCPCallsOnHold : […]

Call drop after 5 min Conference Sonus/Toshiba

Environment: Skype for Business Standard Edition Sonus 1000 Toshiba PBX Toshiba <-> Sonus <-> Skype for Business Issue: When on a SFB Conference call  and a user dials in from Toshiba PBX via Sonus to the SFB Conference, after exactly 5 minutes the call would hang up. Resolution: Here were the steps to troubleshoot the […]

Skype for Business Backup data never gets imported by backup pool

Environment: Skype for Business (SFB) Server 2015 Standard Edition – 2 Pools Issue: Error EventID:4052, Skype for Business 2015, Backup Service data content backup module has backup data that never gets imported by backup pool. And EventID:4069 , Skype for Business Server 2015, Backup Service user store backup module encountered an exception that was handled […]

Error Starting Pool – Start-CSPool

Environment: Skype for Business (SFB) Server 2015 Standard Edition – 2 Pools Issue: After completing Step 3 the certificate request during a SFB deployment the next step was to run the cmdlet Start-CSPool -Idenity PoolFQDN.domain.com upon doing so the following error message was received Start-CsPool : Please make sure at least 1 machine(s) are in […]

Skype for Business Topology Builder could not read the topology

Environment: Skype for Business Server 2015 Standard Edition Pool1 in Production (Prod) DataCenter Pool2 in Disaster Recovery (DR) DataCenter Issue: During a deployment of Skype for Business (SFB) , we had already deployed a Standard Edition server in the production network without issues. As per the requirement we needed to deploy a secondary SFB server […]

No connectivity with any of Web Conferencing Edge Servers. External Skype for Business clients cannot use Web Conferencing modality.

Environment: Skype for Business Server 2015 Enterprise Pool Issue: After recent patches we started seeing errors on the Front-End Servers stating: No connectivity with any of Web Conferencing Edge Servers. External Skype for Business clients cannot use Web Conferencing modality. Cause: Service may be unavailable or Network connectivity may have been compromised. Resolution: Verify all […]

Automatic collection of configuration data failed

Environment: Skype for Business Server 2015 – On Premise Windows Server 2012 Issue: During the installation of a Skype for Business Server 2015 on a Windows 2012 Server, we receive the error on “Automatic collection of configuration data failed” Step 1: Install Local Configuration Store. Resolution: I was able to ping the server by IP […]

Unable to resolve DNS SRV record

Environment: Skype for Business Server 2015 – On Premise Skype for Business Online Issue: In a deployment, we have setup a Skype for Business Server 2015 on premise along with an Edge pool. We have federation enabled with open federation turned off, a requirement was to federate with a client that has Skype for Business […]