XCON: Message Transfer Agent Slow When Sending to Multiple Servers in the Same Site

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This article was previously published under Q259146

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SYMPTOMS

After you apply Exchange Server 5.5 Service Pack 3 to an Exchange Server computer in a large multiserver (larger than six servers) site, the time that it takes to deliver mail to recipients on different servers may increase dramatically.

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CAUSE

This issue can occur because a previous fix in build 2576 of the message transfer agent (MTA) introduces a blocking issue that negatively affects mail delivery performance.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 (http://support.microsoft.com/kb/191014/EN-US/ ) XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

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STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5 Service Pack 3. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

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APPLIES TO

Microsoft Exchange Server 5.5 Service Pack 3

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kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB259146

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Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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