Microsoft KB Archive/110094

= PC Forms: Errors When Opening E-Forms Under Windows NT =

Article ID: 110094

Article Last Modified on 10/30/2006

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APPLIES TO

 Microsoft Exchange Electronic Forms Designer 5.0, when used with:  Microsoft Mail for PC Networks 3.0

 Microsoft Mail for PC Networks 3.2 

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This article was previously published under Q110094



SYMPTOMS
When you choose an E-form that was created using version 1.0 of the Microsoft Electronic Forms Designer from the Browser application, you may receive one of the following error messages:

Another machine is already signed in with the username you have entered. Sign out from the other machine and try again.

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MAPI_FAILURE



CAUSE
The above errors may appear if you open the custom form from version 3.0 or 3.2 of the 16-bit Microsoft Mail for Windows client running under the Microsoft Windows NT operating system. If the 16-bit MAPI.DLL file is not located in the WINNT\SYSTEM32 directory, the search path will find the 32-bit MAPI.DLL file in that directory and will attempt to open a second MAPI session.



RESOLUTION
To resolve this problem, copy the MAPI.DLL file from the WINNT\SYSTEM directory to the WINNT\SYSTEM32 directory. When an E-form is launched, it will find the 16-bit version of MAPI.DLL, which is the one that is used by the 16-bit Mail client.

Additional query words: 1.00 eform

Keywords: KB110094

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