PDP allows bandwidth update that is greater than the per session bandwidth limit in a Lync Server 2010 deployment

Symptoms

Consider the following scenario:

  • You enable the Call Admission Control (CAC) feature in a Microsoft Lync Server 2010 environment.

  • You set the session limit of the bandwidth to the 100kbs value.

  • A bandwidth update is sent to the Policy Decision Point (PDP) server during the operation of the Lync Server 2010 environment.

  • The bandwidth that the update requests is more than the session limit.

In this scenario, PDP allows the request.

Resolution

To resolve this issue, install the following cumulative update:

2502809 Description of the cumulative update for Lync Server 2010, Core Components: November 2011

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