DOCUMENT:Q176467  22-DEC-1999  [exchange]
TITLE   :XGEN: User32.dll Error When Trying to Start Exchange Component
PRODUCT :Microsoft Exchange
PROD/VER:winnt:4.0,5.0,5.5
OPER/SYS:
KEYWORDS:exc4 exc5 exc55

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Exchange Server, versions 4.0, 5.0, 5.5 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to start an Exchange service, you may receive a pop-up dialog
box with the following content:

   <ServiceName> - DLL initialization failure Initialization of the
   dynamic
   link library c:\winnt\system32\user32.dll failed. The process is
   terminating abnormally.

CAUSE
=====

This can be caused by the wrong version of User32.dll in the location stated in
the pop-up dialog.

WORKAROUND
==========

After you confirm what version of Windows NT is installed on the server and what
service packs have been applied, check the time and date stamps on User32.dll to
confirm that the right version is installed.

If you have confirmed that you are using the correct User32.dll, please refer to
the following article in the Microsoft Knowledge Base for another possible
resolution:

   Q142676 Overcoming User32.dll Initialization Failure Errors

Additional query words: user32.dll initialization

======================================================================
Keywords          : exc4 exc5 exc55 
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2
Version           : winnt:4.0,5.0,5.5
Issue type        : kbprb

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1999.