Microsoft KB Archive/140946

= XADM: Microsoft Mail Interchange Hang During DirSync =

Article ID: 140946

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q140946



SYMPTOMS
During a normal Directory Synchronization (DirSync) cycle, the Microsoft Mail Interchange (MSMI) hangs on some, but not all, outgoing messages created by the Microsoft Exchange Directory Synchronization Service (DXA) when Microsoft Exchange is acting as the DirSync Server. This is normally only seen in organizations with large Global Address Lists (GALs) and is only seen on multi-processor machines running the MSMI Service.



CAUSE
By default, the DXA compresses all outgoing DirSync messages. Microsoft Mail postoffices do not understand this compressed file so it is necessary for the MSMI to decompress it prior to sending to any Microsoft Mail postoffice. This code was not optimized for multi-processor machines.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in Microsoft Exchange Server 4.0 U.S. Service Pack 2. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbinterop KB140946

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