DOCUMENT:Q190993 13-APR-2001 [exchange] TITLE :XADM: Events Service Fails to Start with MAPI 0x80040107 PRODUCT :Microsoft Exchange PROD/VER::5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- 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. Q187523 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 Additional query words: ====================================================================== Keywords : Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 Version : :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 2001.