Microsoft KB Archive/275647

= XCON: MTA Stops Unexpectedly in GwartCopyDoorwayList =

Article ID: 275647

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Service Pack 3

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This article was previously published under Q275647





SYMPTOMS
The Exchange Server version 5.5 Service Pack (SP3) message transfer agent (MTA) may stop unexpectedly with a call stack similar to the following:

FramePtr RetAddr   Param1   Param2   Param3   Function Name 061acccc 004dda19  03036309 061ad91c 02e85dfc EMSMTA!GwartCopyDoorwayList+0x55 061ad928 00537d42  02e85dfc 02e8287c 061af694 EMSMTA!otpmrgwy+0x649 061afc58 004f1c8b  02e82874 00000006 02e82874 EMSMTA!orprmtsr+0xe82 061afc74 004ef337  00554a17 02e82874 02e80002 EMSMTA!otpmrout+0xab 061afee8 004ed0b1  00554a17 00000000 00000001 EMSMTA!otpmrd+0x2b7 061aff4c 004ea07a  00554a17 000041e8 00000398 EMSMTA!otpmrcd+0x6b1 061aff8c 00554ac8  000041e8 02e82705 00000017 EMSMTA!otpmmain+0x38a 061affb8 77f04ee8  00000017 000041e8 02e82705 EMSMTA!sbpiwbep+0x58

The MTA may log several 9405 events in the Application event log before it stops with the above call stack logged in the Drwtsn32.log file. The 9405 events appear similar to the following:

Event ID: 9405

An unexpected error has occurred which may cause the MTA to terminate. Error: Releasing unowned write lock 5589271. [BASE DISP:ROUTER 23] (16)

Event ID: 9405

An unexpected error has occurred which may cause the MTA to terminate. Error: Access violation (0xc0000005) at Address 0x49863e reading from 0x45495049. [BASE DISP:ROUTER 14] (16)



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



WORKAROUND
If you run MTACheck several times, it may allow the MTA to restart.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Additional query words: xmrp

Keywords: kberrmsg kbexchange550sp4fix kbprb kbqfe KB275647

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