Date:2013-05-02
Safety:Kaspersky McAfee Noton BitDefender AVG

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Microsoft Exchange Server - User Manager Extension 6.5.7638.1

·Go to the download page

Using the zip or rar file
1.Download exadmin.dll 6.5.7638.1
2.Extract exadmin.dll 6.5.7638.1 from .zip. We recommend that you extract exadmin.dll 6.5.7638.1 to the installation directory of the program that is requesting exadmin.dll 6.5.7638.1.
3.If that doesn't work, you will have to extract exadmin.dll 6.5.7638.1 to your system directory. By default, this is:
C:\Windows\System32 (Windows XP, Vista, 7, 8)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System (Windows 95/98/Me)
4.If you use a 64-bit version of Windows, you should also place exadmin.dll 6.5.7638.1 in C:\Windows\SysWOW64\
5.Make sure overwrite any existing files (but make a backup copy of the original file).
6.Reboot your computer.
7.If the problem still occurs, try the following:
8.Open Windows Start menu and select "Run...".
9.Type CMD and press Enter (or if you use Windows ME, type COMMAND)).
10.Type regsvr32 exadmin.dll 6.5.7638.1 and press Enter.