Symptoms

When this issue occurs, the following Warning event is logged on front-end servers every few minutes:Note

  • When this issue occurs, there is no actual function effect in Lync Server 2013.

  • CAC represents the call admission control feature.

Cause

This issue occurs because the delay in call admission control verifications for Inter-Cluster mode is set incorrectly.

Resolution

To resolve this issue, get the November 2014 Cumulative Update 5.0.8308.834 for Lync Server 2013 Bandwidth Policy Service.

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