Microsoft KB Archive/196665

= XCON: MTA Could Route Messages Through Higher Costing Routes =

Article ID: 196665

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q196665





SYMPTOMS
The Microsoft Exchange Server message transfer agent (MTA) can send a message through higher costing route when multiple connectors are available.



CAUSE
The MTA uses the final route in a list if retry timers are equal when choosing routes across multiple gateways. In the customer-specific case, the higher costing gateway happened to be lower in the list of currently active in the "connect retry state" than the least costing one.



RESOLUTION
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 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)

File Name     Version -  Dbserver.sch   5.5.2500.0 Dcprods.cat   5.5.2500.0 Ems_rid.dll   5.5.2500.0 Emsmta.exe    5.5.2500.0 Info4log.cfg  5.5.2500.0 Infodlog.cfg  5.5.2500.0 Infollog.cfg  5.5.2500.0 Infotlog.cfg  5.5.2500.0 Mtacheck.exe  5.5.2500.0 Mtamsg.dll    5.5.2500.0 P2.xv2        5.5.2500.0 X400om.dll    5.5.2500.0 X400omv1.dll  5.5.2500.0



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

Keywords: kbbug kbfix kbqfe KB196665

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