This tutorial enables you to disable pen drives & other storage devices like external HDD. This is extremely useful if you own a company and doesn’t want anyone to copy company confidential files from PCs or from your personal PC too.

Go to Start->Run-> type ‘regedit’ then click OK. Now navigate to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control.

Now Right click->New->Key to create new key and name it StorageDevicePolicies. Now select the newly created ‘StorageDevicePolicies’ & create a DWORD key by right click New->DWORD Value.

Now name that DWORD you created as WriteProtect.

And double click that ‘WriteProtect’ value you created & give the value as ‘1′ to restrict the users from copying the files and you can enter ‘0′ value if you want to allow them.

This tutorial is to restrict files from PC to External Storage Drive, but you can access the files from the Storage Device.