To restrict access of MMC:
1. Open MMC.
2. On the File menu > Add / Remove Snap-in > click Add.
3. Under Snap-in, click Group Policy Object Editor, and then click Add.
4. In Group Policy wizard:
a) To edit the local Group Policy Object, leave the Group Policy Object box set to Local
Computer, and then click Finish.
OR
b) To specify a different Group Policy Object, click Browse, select the object, click OK,
and then click Finish.
5. Click Finish > Close and then click OK.
The Group Policy Object Editor snap-in opens the specified Group Policy Object Editor.
6. In the console tree, click Microsoft Management Console in PolicyName Policy/User
Configuration/Administrative Templates/Windows Components/Microsoft Management
Console (Policy name means, what u want or what to choose)
7. In the details pane, double-click Restrict the user from entering author mode.
8. On the Setting tab do any one:
a) To allow the user to use MMC, click Not Configured or Disabled.
b) To restrict the user MMC, click Enabled.
NOTE: For more information, click the Explain tab in the Restrict the user from entering author mode properties dialog box, and see the HELP.
Hope u get info from here !