Exclude usb device

Exclude usb device

Hi,

We have set up policy to disable the USB devices on all of 500 PCs and it is working.
Now we would like to exclude a usb drive for a user. We know that we can add the usb id to exclude tab of our current policy but this would mean that we have to run the policy again for all of the 500 PC's and each time we want to add more usb ID's we have to re-run the policy.
is there other way to do this witout the need of running the policy again?
Thanks

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