This process was not able to update its health status The IM Conferencing Server failed to send health notifications to the ...

This process was not able to update its health status

The IM 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.