Microsoft KB Archive/196664

= XCON: MAD Consumes 100% CPU While Recalculating Routing =

Article ID: 196664

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 Q196664





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.



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



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   5.5.2510.0 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



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.

Additional query words: RID GWART

Keywords: kbbug kbfix kbqfe KB196664

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