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Assume that a registered user uses a customized endpoint to join an audio or video conference in a Microsoft Lync Server 2010 environment. When the endpoint sends anĀ INVITE request that contains an invalid MIME body to the Audio/Video Conferencing server, the server crashes. Additionally, an unhandled exception is received on the server.


To resolve this issue, install the following cumulative update:

2514978 Description of the cumulative update for Lync Server 2010, Conferencing Server: November 2011

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