Article ID: 968955 - View products that this article applies to.
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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.
This problem occurs because the attribute type 0x000C is invalid in a Traversal Using Relay NAT message.
To resolve this issue, apply update 969821. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
969821Note After you apply this update, the media relay server can correctly process the invalid attributes in the Traversal Using Relay NAT message.
(https://support.microsoft.com/kb/969821/ )Description of the update package for Office Communications Server 2007 R2: July, 2009
Article ID: 968955 - Last Review: January 16, 2015 - Revision: 2.0