Article ID: 2254199 - View products that this article applies to.
You find that the Access Edge server in a Microsoft Office Communicator 2007 R2 environment crashes and then restarts unexpectedly.
This issue occurs because a race condition in the Media Relay driver causes the Access Edge server to access protected memory. Therefore, the Access Edge server crashes.
To fix this problem, install the following cumulative update:
(http://support.microsoft.com/kb/983472/ )Description of cumulative update for Office Communications Server 2007 R2: July, 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the latest updates for Communications Server 2007 R2, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/968802/ )Updates for Communications Server 2007 R2