Microsoft KB Archive/259146

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

Article ID: 259146

Article Last Modified on 10/26/2006



APPLIES TO

  • Microsoft Exchange Server 5.5 Service Pack 3



This article was previously published under Q259146


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.

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.

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 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


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.

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB259146