The IncomingFederation Application is waiting for the Lync Server to start. Cause: The IncomingFederation Application is ...

The IncomingFederation Application is waiting for the Lync Server to start.

Cause: The IncomingFederation Application is not active until it is able to connect to the Lync Server. You may or may not see this event depending upon whether the Lync Server is slow to start.
Resolution:
None, unless you see this event multiple times, in which case you should examine the event logs to determine why the Lync Server has not started.