Lync Server ACP MCU failed to bridge the conference. Conference:%1 Reason:%2 Cause: Possible causes for this failure are ...

Lync Server 2013

Lync Server ACP MCU failed to bridge the conference.

Conference:%1
Reason:%2

Cause: Possible causes for this failure are the ACP partner is not up and running or  there are routing related failures to route the bridge request to the ACP partner.
Resolution:
Check to see that connectivity to the ACP partner from mediation server is up and that there are no routing issues between the MCU and ACP partner network.

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