This process was not able to update its health status The Audio-Video Conferencing Server failed to send health notifications ...

This process was not able to update its health status

The Audio-Video Conferencing Server failed to send health notifications to the MCU factory at %1. 
Failure occurrences: %2, since %3.
Cause: Either the Front End service is not running, or poor network connectivity.
Resolution:
Verify that the Front End Service is available, and its machine is visible over the network.