Microsoft KB Archive/193760

= XCON: MTA Stops Processing Messages When One Network Link Fails =

Article ID: 193760

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q193760





SYMPTOMS
If the network link to a remote site fails on a server with links to multiple remote sites using X.400 Connectors, the message transfer agent (MTA) may stop processing messages to all remote sites.



CAUSE
The problem is due to the synchronous nature of the Microsoft Exchange MTA in versions 4.0 and 5.0.



Exchange Server 4.0
A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

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

Component: Message Transfer Agent (MTA)

  File Name      Version Address.dll   4.0.997.2 Dbserver.sch  4.0.997.2 Dcprods.cat   4.0.997.2 Ems_rid.dll   4.0.997.2 Emsmta.exe    4.0.997.2 Infodlog.cfg  4.0.997.2 Infotlog.cfg  4.0.997.2 Mmiext.dll    4.0.997.2 Mtacheck.exe  4.0.997.2 Mtalog.dll    4.0.997.2 P2.xv2        4.0.997.2 P3.tpl        4.0.997.2 Saalog.dll    4.0.997.2 X400omv.dll   4.0.997.2

Exchange Server 5.0
A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Microsoft Exchange Server version 5.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

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

Component: Message Transfer Agent (MTA)

  File Name      Version --  Address.dll    5.0.1461.50 Dbserver.sch  5.0.1461.50 Dcprods.cat   5.0.1461.50 Ems_rid.dll   5.0.1461.50 Emsmta.exe    5.0.1461.50 Infotlog.cfg  5.0.1461.50 Infoxlog.cfg  5.0.1461.50 Mmiext.dll    5.0.1461.50 Mtacheck.exe  5.0.1461.50 Mtamsg.dll    5.0.1461.50 P2.xv2        5.0.1461.50 P3.tpl        5.0.1461.50 P772.tpl      5.0.1461.50 Saalog.dll    5.0.1461.50 X400om.dll    5.0.1461.50 X400omv.dll   5.0.1461.50



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 4.0 and 5.0.

Additional query words: MTA sync synchronous network

Keywords: kbbug kbfix kbqfe KB193760

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