To enable RemoteFX USB Device redirection please perform the steps below:
- On a client PC run gpedit.msc
- Navigate to Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client > RemoteFX USB Device Redirection
Set "Allow RDP redirection of other supported RemoteFX USB devices from this computer" option to Enabled
Set who should have RemoteFX USB redirection rights, then click OK and close the policy editor.
- Update the machine's policy using: gpupdate /force