How do I set access permissions on a computer CD-ROM drive?

On a multi-user computer, how do you set up a computer if the administrator wants to restrict other users from using the CD-ROM drive but only by the administrator? To solve such problems, you can go to the registry, find the CD-ROM drive permission settings, modify its value, you can do, how to set, Please see the following procedure.

1, to enter the registry, there are many ways, the most direct way is, in the Start menu, open the "Run" program.

2, and then in the Open Run edit box, enter the regedit command, and then press the OK button.

3, after entering the registry editing interface, first open the "HKEY_LOCAL_MACHINE" root key, and then find "SOFTWARE" under it.

4, then open the item "SOFTWARE" and find "Microsoft" in its subkeys.

5, continue to open Microsoft, locate Windows NT first, and then locate and select "CurrentVersion" under Windows NT.

6, finally, in the subkey of "CurrentVersion", locate and select the item "Winlogon", and then in its right window, locate "AllocateCDRoms" and double-click the item.

7, pop-up "Edit string" window, in the data value, the current value is displayed as 1.

Tip: Under multiple users, will be displayed as 1, if a single user, the general display of 0.

8, this is the CD drive's permission settings, set it to 0, and then press "OK", meaning that, for 0, the optical drive can only be used by the administrator, 1 for all users can use.

9, after the setup is complete, exit the registry, and then restart the computer for the settings to take effect.

Precautions:

If there is no "allocatecdroms" item in the right window of the "Winlogon" item, you can right-click on Winlogon, create a new string value (REG_SZ), name "AllocateCDRoms", and set its value to 0.

How to use the registry, it is best to back up the registry, if you modify the error, do not remember the recovery, the available backup registry to restore.

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