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Difference between revisions of "Microsoft KB Archive/170542"

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Latest revision as of 20:50, 16 July 2020

MTG: MAPI Unable to Run as a Windows NT Service


The information in this article applies to:

  • Microsoft Windows NT Advanced Server, version 3.1
  • Microsoft Windows NT Workstation versions 3.1, 3.5
  • Microsoft Windows NT Server versions 3.1, 3.5


In Windows NT, if you attempt to start a program as a service that uses Windows NT Mail MAPI, the service fails to start the Mail spooler with MAPI error code 3 - MAPI_E_LOGIN_FAILURE.


MAPI for Windows NT does not support being started as a service.


Use one of these techniques to work around the problem:

  • Start the Mail client before starting the service.
  • Start the program from the command line instead of starting it as a service.


Microsoft is researching this problem and will post new information in the Microsoft Knowledge Base as it becomes available.

Additional query words:

Keywords :
Issue type : kbbug
Technology : kbWinNTsearch kbWinNTWsearch kbWinNT350xsearch kbWinNTW350 kbWinNTW350xsearch kbWinNTW310 kbWinNTSsearch kbWinNTS350 kbWinNTS310 kbWinNTAdvSerSearch kbWinNTAdvServ310 kbWinNTS350xsearch kbWinNTS310xsearch kbWinNT310xSearch kbWinNTW310Search

Last Reviewed: October 20, 2000
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