Lync Server one or more critical applications are not running. Time to Shutdown: '%1' Seconds. Application Uri '%2' Cause: ...

Lync Server one or more critical applications are not running.

Time to Shutdown: '%1' Seconds. Application Uri '%2'
Cause: One or more installed critical applications are not running. If this continues for five minutes, the Server will be shutdown.
Resolution:
Check the event log for errors reported by individual applications and resolve the errors. Service restart will be required.