block the USB Drives through Group Policy

Please find the below steps to block the USB Drives
(Except the mouse and Keyboard) and Floppy Drives and CD ROM Drives.

Please download the removable_storage.adm file from below link.

1) Copy that downloaded removable_storage.adm to under

C:\Windows\inf directory in ADS Server

http://www.4shared.com/file/123071170/f44cee36/removable_storage.html

2) Open the Active Directory Users and Computers and Create a OU and name as USB Blocked

3) Move all the computer accounts to this OU in which the USB drives should be blocked

4) Right click on the newly created OU and go to the tab Group Policy

5) Under that create a new policy and give a name as Block USB Drives and click on Edit

6) Under the Computer settings, Expand the Administrative Templates

7) Right click on the Administrative Templates and click Add/Remove Templates

8) In the Add/Remove Templates wizard, click on Add and add the file removable_storage.adm and click Ok

9) Expand the Restrict Drives under the Custom Policy Settings

10) Right Click the Restrict Drives and click on Filtering and Un-Tick the option “Show only the compatible policies” and click Ok

11) Now you can see the options Disable USB, Disable CD-Rom, Disable Floppy under the Restrict Drives and you can block the necessary drives by Enabling the appropriate options