Microsoft KB Archive/197398

= XCON: MTA Stops Processing Mail with Events 57, 2051 and 1105 =

Article ID: 197398

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 Q197398





SYMPTOMS
The Exchange Server Message Transfer agent (MTA) may stop processing mail under a heavy load. It may also generate the following Event id's in the Windows NT Application Event log:   Event ID: 57 Source: MSExchangeMTA Type: Warning Category: X.400 Service Description: The limit on the number of associations allowed to and from entity /O=MICROSOFT/OU=TEST/CN=CONFIGURATION/CN=SERVERS/CN=TEST /CN=MICROSOFT MTA has been reached. The limit is 2032. [MTA MAIN BASE 1 43] (14)

Event ID: 2051 Source: MSExchangeMTA Type: Error Category: Internal processing Description: A fatal internal MTA error has occurred. The internal directory replication agent (DRA) Dispatcher thread did not execute. If  this message is logged more that 5 times restart the directory. Contact Microsoft Technical Support. An illegal GET from element 00000000 occurred at offset 1. [BASE OPERATOR 18 110] (16)

Event ID: 1105 Source: MSExchangeDS Type: Error Category: Replication Description: The internal directory replication agent (DRA) Dispatcher thread did not execute. If this message is logged more that 5 times restart the directory.



RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following 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   5.5.2448.1 Dcprods.cat   5.5.2448.1 Ems_rid.dll   5.5.2448.1 Emsmta.exe    5.5.2448.1 Info4log.cfg  5.5.2448.1 Infodlog.cfg  5.5.2448.1 Infollog.cfg  5.5.2448.1 Infotlog.cfg  5.5.2448.1 Mtacheck.exe  5.5.2448.1 Mtamsg.dll    5.5.2448.1 P2.xv2        5.5.2448.1 X400om.dll    5.5.2448.1 X400omv1.dll  5.5.2448.1



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5.

Keywords: kbbug kbfix kbqfe KB197398

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