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Q177328: XFOR: MTA Terminates Unexpectedly with Event ID 2051 and 9405

Article: Q177328
Product(s): Microsoft Exchange
Version(s): winnt:5.0
Operating System(s): 
Keyword(s): 
Last Modified: 12-JUL-2000

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The information in this article applies to:

- Microsoft Exchange Server, version 5.0 
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SYMPTOMS
========

The Microsoft Exchange Server message transfer agent (MTA) may terminate
unexpectedly with the following sequence of events recorded in the Windows NT
Server Event Viewer Application log:

  Event ID: 2051
  Source: MSExchangeMTA
  Internal Processing
  Description: A fatal internal MTA error occurred. Contact Microsoft
  Technical Support. An illegal GET from element 5CF03901 occurred at
  offset 1. [BASE XFER-IN 23 70] (16)

  Event ID: 9405
  Source: MSExchangeMTA  Field Engineering
  Description: An unexpected error has occurred which may cause the MTA
  to terminate.  Error: Exception 0xe0050803 occurred at Address
  0x77f1cd91. [BASE XFER-IN 23] (16)

CAUSE
=====

The MTA may experience a performance problem expanding extremely large
distribution lists. The problem can also be triggered if the Recipient Name
field being transferred into the MTA is larger than the buffer space available.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server,
version 5.0. This problem has been corrected in the latest U.S. Service Pack for
Microsoft Exchange Server version 5.0. For information on obtaining the Service
Pack, query on the following word in the Microsoft Knowledge Base (without the
spaces):

  S E R V P A C K


MORE INFORMATION
================

If an older version of Exchsrvr\mtadata\Dbserver.sch is written over the version
supplied in this hotfix, the MTA will crash and log the 2051 errors listed
above.

Additional query words: ASN.1 X400

======================================================================
Keywords          :  
Technology        : kbExchangeSearch kbExchange500 kbZNotKeyword2
Version           : winnt:5.0
Issue type        : kbbug
Solution Type     : kbfix

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