KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q176467: XGEN: User32.dll Error When Trying to Start Exchange Component

Article: Q176467
Product(s): Microsoft Exchange
Version(s): winnt:4.0,5.0,5.5
Operating System(s): 
Keyword(s): exc4 exc5 exc55
Last Modified: 22-DEC-1999

-------------------------------------------------------------------------------
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.