Enable the new Microsoft Management Console (MMC) 3.0 feature set in Windows Server 2003 R2

By default, Windows 2003 R2 uses the old MMC 2.0-style UI with the old snap-in dialog box and no Action pane. To enable the new features and interface, perform these steps:

1. Start the registry editor (regedit.exe).


2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC.


3. From the Edit menu, select New, Key.


4. Enter a name of UseNewUI and press Enter.


5. Close the registry editor.

Source : Bink.nu