How to block USB flash drives in client PCs?

there are 500 client PC s in my organization, servers are windows 2003 and client PC's are windows xp.


i need to block USB flash drives in client PCs . how and what is the correct way to do this .How to block USB flash drives in client PCs?
this is a microsoft site it gives you the steps how to do itHow to block USB flash drives in client PCs?
You can try using: Run %26gt; MsConfig





If not... Just restrict access to the My Computer folder... In My Computer, external devices become accessible.

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