XCON: MAD Consumes 100% CPU While Recalculating Routing

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This article was previously published under Q196664

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SYMPTOMS

An Administrator attempts to recalculate routing, but the action never finishes. The Mad.exe process is seen to be using approximately 100% of the CPU.

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CAUSE

A logic error in the code which generates an ELSE leg of the Gateway Routing Table (GWART) causes the recalculation to loop.

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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)

   File Name      Version
   -------------------------
   Dbserver.sch   5.5.2510.0
   Dcprods.cat    5.5.2510.0
   Ems_rid.dll    5.5.2510.0
   Emsmta.exe     5.5.2510.0
   Info4log.cfg   5.5.2510.0
   Infoblog.cfg   5.5.2510.0
   Infodlog.cfg   5.5.2510.0
   Infollog.cfg   5.5.2510.0
   Infotlog.cfg   5.5.2510.0
   Mtacheck.exe   5.5.2510.0
   Mtamsg.dll     5.5.2510.0
   P2.xv2         5.5.2510.0
   X400om.dll     5.5.2510.0
   X400omv1.dll   5.5.2510.0

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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.

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APPLIES TO

Microsoft Exchange Server 5.5 Standard Edition

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kbbug kbfix kbqfe KB196664

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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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