XADM: Event Service Does Not Start and Error 0x80040154 Appears (270677)


The information in this article applies to:

  • Microsoft Exchange Server 5.5
This article was previously published under Q270677

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.
Modification Type:MinorLast Reviewed:4/25/2005
Keywords:kbprb KB270677
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