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Q270677: XADM: Event Service Does Not Start and Error 0x80040154 Appears

Article: Q270677
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55
Last Modified: 06-AUG-2002

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

The Exchange 5.5 Event Service fails to start.

The following Event ID appears in the application event log:

  Event ID: 5
  Source: MSExchangeES
  Type: Error
  Description: An unexpected MAPI error occurred 0x80040154

CAUSE
=====

Error 0x80040154 signifies that there is an unregistered .dll file.

RESOLUTION
==========

To resolve this issue, reregister the Event Service .dll files using regsvr32;
to do so, follow these steps:

1. Go to the command prompt, and change directories to the Exchsrvr\bin
  subdirectory.

2. Enter the following command

  regsvr32 <Filename>.dll

  where <Filename> is the name of the .dll file (such as "Scripto.dll").

3. Run the command on the following .dll files:

  Scripto.dll
  Ss.dll
  Esconf.dll

WORKAROUND
==========

When the Event Service fails to start and the error "0x80040154" appears,
reinstalling the Microsoft Outlook client on the Exchange server allows the
service to start.

To reinstall the Outlook client on an Exchange server, follow these steps:

1. Stop all the Exchange services, and then set the Exchange System Attendant to
  Disabled.

2. Stop and disable all third party services such as monitoring agents, backup
  programs, and antivirus programs.

3. Stop the SNMP service.

4. Close all programs.

5. Restart the server.

6. Reinstall the Outlook client on the server.

7. Change the Exchange System Attendant startup back to Automatic.

8. Start the Exchange Services manually except for the Exchange Event Service.

9. Start the Exchange Event Service manually.

Additional query words:

======================================================================
Keywords          : exc55 
Component         : Admin
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbprb

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