The Quality-Metric Agent cannot be contacted. Mediation server will keep trying; however additional failures will not be ...

The Quality-Metric Agent cannot be contacted. Mediation server will keep trying; however additional failures will not be logged.

QoE Agent: %1
GRUU: %2

Cause: Either the Quality-Metric Agent is not running or unreachable.
Resolution:
Verify that Quality-Metric Agent is reachable from the computer running Lync Server.