The Application Sharing Server cannot communicate over SIP to the Microsoft Lync Server 2013 Front End Server. Application ...

Lync Server 2013

The Application Sharing Server cannot communicate over SIP to the Microsoft Lync Server 2013 Front End Server.

Application Sharing Server Front End Pool %1, Port %2, Exception: %3
Cause: The Application Sharing Server cannot communicate with the Microsoft Lync Server 2013 Front End Server over SIP due to network connectivity issues or unavailability of the Microsoft Lync Server 2013 Front End Server. This condition prevents setting up new conferencing sessions and is disruptive and potentially fatal for existing conferencing sessions.
Resolution:
Resolve network connectivity issues between the Application Sharing Server and the Microsoft Lync Server 2013 Front End.

The Application Host stopped due to an unhandled exception in the application. The Application Host received an unhandled ... The Application Sharing Conferencing Server successfully sent health notifications to the MCU factory at %1. Any previous ... The Application Sharing Conferencing Server successfully sent notifications to the focus at %1. Any previous errors have ... The Application Sharing Server cannot communicate over SIP to the Microsoft Lync Server 2013 Front End Server due to a TLS ... The Application Sharing Server cannot communicate over SIP to the Microsoft Lync Server 2013 Front End Server. Application ... The Application Sharing Server encountered an error when changing the TLS Certificate. Exception: %1 Cause: Invalid Certificate. ... The Application Sharing Server encountered an error when requesting credentials from the A/V Authentication Service. A/V ... The Application Sharing Server failed to send a notification to the Conferencing Focus service. Conference URI: %1, Focus ... The Application Sharing Server failed to start. Exception: %1 Cause: The failure may be due to configuration issues, or internal ...