XCON: Mail Flow Stops with MTA Event ID 4287, Error Code 8640

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This article was previously published under Q236586

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To resolve this problem, obtain the latest service pack for Exchange Server version 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

The English version of this fix should have the following file attributes or later:

Component: Message Transfer Agent (MTA)

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File name	Version
Dbserver.sch	N/A
Dcprods.cat	N/A
Ems_rid.dll	5.5.2646.0
Emsmta.exe	5.5.2646.0
Info4log.cfg	N/A
Infoblog.cfg	N/A
Infodlog.cfg	N/A
Infollog.cfg	N/A
Infoplog.cfg	N/A
Infotlog.cfg	N/A
Mtacheck.exe	5.5.2646.0
Mtamsg.dll	5.5.2646.0
P2.xv2	N/A
X400om.dll	5.5.2646.0
X400omv1.dll	5.5.2646.0

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STATUS

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

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APPLIES TO

Microsoft Exchange Server 5.5 Standard Edition

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kbbug kbfix kbqfe KB236586

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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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