The Mediation Server service has encountered a major MRAS connection problem with the proxy peer. Cause: The MEDIATIONSE ...

The Mediation Server service has encountered a major MRAS connection problem with the proxy peer.

Cause: The MEDIATIONSERVER_MRAS_FAILURE_NOT_LOGGING_ANYMORE (Event ID: 25014), MEDIATIONSERVER_MRAS_RETURNED_INVALID_RESPONSE (Event ID: 25015), MEDIATIONSERVER_MRAS_NO_RESPONSE (Event ID: 25016), MEDIATIONSERVER_MRAS_CONNECTION_EXCEPTION (Event ID: 25017), MEDIATIONSERVER_MRAS_CANDIDATES_CANNOT_BE_RESOLVED (Event ID: 25089) are examples of events that signal error conditions when interacting with the MRAS.
Resolution:
Make sure that the MRAS is up and running, and that it can be reached from the Mediation Server.