Microsoft KB Archive/922231

= A request that is sent to a Live Communications Server 2005 access proxy array is rejected =

Article ID: 922231

Article Last Modified on 7/27/2006

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APPLIES TO


 * Microsoft Office Live Communications Server 2005 Standard Edition
 * Microsoft Office Live Communications Server 2005 Enterprise Edition

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SYMPTOMS
When a request is sent to an access proxy server that is part of a Microsoft Office Live Communications Server 2005 access proxy array, the request is rejected.

When you view the flat-file log on Live Communications Server, you may see one or both of the following messages. These messages indicate that an error occurred:

Request rejected due to invalid route signature.

An expired key cannot be imported.



CAUSE
This problem may occur when the access proxy server does not process any Live Communications Server network traffic for three to four hours. When a request is sent to the access proxy server, the access proxy server returns the following SIP response code to the computer that sent the request:

481 Call leg/transaction does not exist.



How to obtain the hotfix
This issue is fixed in the Live Communications Server 2005 post-Service Pack 1 Hotfix Package that is dated July 21, 2006. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

921543 Description of the Live Communications Server 2005 post-Service Pack 1 hotfix package: July 21, 2006



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbexpertisebeginner kbofficelcs2005presp2fix kbqfe kbbug kbfix kbpubtypekc KB922231

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