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Microsoft KB Archive/101236

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Knowledge Base

Running 16-Bit Microsoft Mail and MAPI on Windows NT

Article ID: 101236

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1

This article was previously published under Q101236


If you run the Windows 3.1 version of Microsoft Mail 3.0 or 3.2, instead of the 32-bit version of Mail included with Windows NT, you will need to enter the following commands at any command prompt after installing 16-bit Mail to enable other 16-bit programs to use MAPI functionality:

cd \winnt\system32
ren mapi.dll mapi.sav
copy c:\windows\system\mapi.dll

Note: These commands assume that Windows 3.1 was installed to the C:\WINDOWS directory and Windows NT is in the C:\WINNT directory.

Additional query words: prodnt

Keywords: kbinterop KB101236