DOCUMENT:Q140975  18-FEB-2002  [exchange]
TITLE   :XFOR: Event ID 4037 An Exception Has Occurred
PRODUCT :Microsoft Exchange
PROD/VER::4.0
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Exchange Server, version 4.0 
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SYMPTOMS
========

Multiple errors might be logged in the Windows NT Event Viewer Application Log.
These errors will be as follows

   Event ID: 4037
   Type: Error
   Source: MSExchangeIMC
   Category: Internal Processing
   An exception has occurred which was handled internally by the Internet Mail
   Connector. This may have resulted in a message not being delivered.

CAUSE
=====

The memory heap will be corrupted if a function call fails when moving inbound
mail from the Exchsrvr\Imcdata\Work directory to the Exchsrvr\Imcdata\In
directory for any reason other than file name collision. This corruption occurs
when the event is logged.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 4.0. This problem was corrected in Microsoft Exchange Server 4.0 U.S.
Service Pack 2. 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


Additional query words: 4037 Exception

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Keywords          :  
Technology        : kbExchangeSearch kbExchange400 kbZNotKeyword2
Version           : :4.0

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