Microsoft KB Archive/190993

= XADM: Events Service Fails to Start with MAPI 0x80040107 =

Article ID: 190993

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q190993



SYMPTOMS
When you attempt to start the Events Service in the Windows NT Control Panel Services, the service does not start and the following error message occurs:

Could not start the Microsoft Exchange Event Service service on

Error 2140: An internal Windows NT error occurred.

Also, the following event will be logged in the application log of the Event Viewer:

  Event ID   : 5 Source    : MSExchangeES Type      : Error Category  : General Description: An unexpected MAPI error occurred. Error returned was [0x80040107].



CAUSE
One of the .dlls use by the Events Service is corrupt.

The EventConfig public folder for the server is invalid or there are multiple copies of this public folder.



WORKAROUND
Stop the Exchange Server services and copy the following DLLs from the original Exchange Server 5.5 disc:


 * emsmdb32.dll
 * mapi32.dll

The location on the disc is: Server\Setup\

In case there are multiple copies of the EventConfig public folder for this server, following the steps in the following article to get rid of the duplicate public folders.

187523 XADM: How to Remove Duplicate EventConfig Folders



MORE INFORMATION
MAPI error 0x80040107 is "Invalid EntryID." Removing and reinstalling the Events Service will not resolve this issue because those files will not be replaced with the originals.

Other files included in the Events Service program include the following:


 * Events.exe
 * Eventmsg.dll
 * Esconf.dll
 * Ss.dll
 * Scripto.dll
 * Exflow.dll

Keywords: kbprb KB190993

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