Disabling USB Storage With Group Policy
Subject:   This does not work
Date:   2006-08-01 03:16:23
From:   Serpico
Response to: This does not work

This will only work for New USB flash devices that are plugged into the machine. To fully disable the USB Storage driver, you'll need to do the following:

Open Registry Editor.

In Registry Editor, navigate to the following registry key:


Locate the following value (DWORD):


and give it a value of 4.

Close Registry Editor. You do not need to reboot the computer for changes to apply.

To re-enable the setting, go to the Reg Key above and give the Start Dword a value of 3

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  • This does not work
    2007-03-26 18:12:14  andy10 [View]

    Hi Serpico ,

    I think your message is what i was looking for.....i have to re-enable two usb storage port
    for two users on two computers, but i do not know how they disable it.....i do not know if they use gp or whatever to disable this evil.....i'm gonna try your tip.......the company has more 9000 users......maybe in the future the security department gonna allow many users to be re-enabled, in this happen it will be difficult to go from computer to computer, or to connect remotely to each computer to do the job..

    thanks for your reply