XCLN: Loading/Disabling MS Mail 3.x Win Client Extensions (136804)
The information in this article applies to:
- Microsoft Exchange Client 4.0
- Microsoft Exchange Client 5.0
- Microsoft Exchange Windows NT client 4.0
- Microsoft Exchange Windows NT client 5.0
This article was previously published under Q136804 SUMMARY
The Microsoft Exchange Windows client can load Microsoft Mail for Windows,
version 3.x, client extensions.
This article describes how to load (or exclude) Microsoft Mail 3.x Windows
client extensions into Microsoft Exchange Windows clients.
MORE INFORMATIONIMPORTANT: This article contains information about editing the registry.
Before you edit the registry, you should first make a backup copy of the
registry files (System.dat and User.dat). Both are hidden files in the
Windows folder.
The Microsoft Exchange Windows clients can read the Msmail.ini file
and automatically load the client extensions listed in that file.
Certain Microsoft Mail client extensions can be excluded from Microsoft
Exchange by adding the tag of the extension to a list of tags to be
excluded. On Windows 95 and Windows NT, the list of tags is specified in
the registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Client\
Options\ExcludeCustomKeys
NOTE: For information about how to edit the registry, view the Changing
Keys And Values online Help topic in Registry Editor (Regedit.exe). Note
that you should make a backup copy of the registry files (System.dat and
User.dat) before you edit the registry.
WARNING: Using Registry Editor incorrectly can cause serious problems that
may require you to reinstall Windows 95. Microsoft cannot guarantee that
problems resulting from the incorrect use of Registry Editor can be solved.
Use Registry Editor at your own risk.
On Windows 3.x, the list of tags is specified in the EXCHNG.INI file.
The ExcludeCustomKeys entry in the Options section specifies the list
of tags to be excluded.
For example, the following two custom extensions were defined in the
MSMAIL.INI file.
Sample1=3.0;File;Edit MSMAIL.&INI...;8;APPEXEC.DLL;NOTEPAD.EXE
MSMAIL.INI;; Displays MSMAIL.INI;;;
Sample2=3.0;File;Edit WIN.&INI...;8;APPEXEC.DLL;NOTEPAD.EXE WIN.INI;;
Displays WIN.INI;;;
If you wanted to exclude these two extensions from Microsoft Exchange, you
could either delete the above lines from Msmail.ini or you could add the
tags for the extensions to the list of excluded tags in the following
manner:
Sample1;Sample2
By default, when the clients are installed the following tags are
added to the list of extensions to be excluded. These extensions have
been found to be incompatible with the Microsoft Exchange Client.
FaxSep1;IMEX;SP0;SP1;WinRules0
Modification Type: | Minor | Last Reviewed: | 8/17/2005 |
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Keywords: | KB136804 |
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