Article ID: 968955 - Last Review: July 28, 2009 - Revision: 1.0

A computer that is running Office Communications Server 2007 R2, Audio/Video Conferencing Edge Server crashes when it tries to process a Relay NAT message

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SYMPTOMS

You have a computer that is running Microsoft Office Communications Server 2007 R2 and has the Audio/Video Conferencing Edge Server role installed. However, the computer crashes when it tries to process a Traversal Using Relay network address translation (NAT) message that has an attribute type of 0x000C.
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CAUSE

This problem occurs because the attribute type 0x000C is invalid in a Traversal Using Relay NAT message.
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RESOLUTION

To resolve this issue, apply update 969821. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
969821  (http://support.microsoft.com/kb/969821/ ) Description of the update package for Office Communications Server 2007 R2: July, 2009
Note After you apply this update, the media relay server can correctly process the invalid attributes in the Traversal Using Relay NAT message.
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APPLIES TO
  • Microsoft Office Communications Server 2007 R2 Enterprise Edition
  • Microsoft Office Communications Server 2007 R2 Standard Edition
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Keywords: 
kbsurveynew kbqfe kbexpertiseinter KB968955
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