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LTSR 1912 CU1 prohibit "Client removable drives" not working

Abteilung EDV




I'm trying to prevent USB thumb drive mapping from our Dell 3040 (ThinOS 8.6) thin clients. Other USB devices, for example scanner, cameras, headsets should be mapped.


I set the rules as followed:

Client USB device redirection -> Allowed

Client USB Plug and Play device redirection -> Allowed

Client removable drives -> Prohibited


Problem: USB thumb drives will still be mapped.


I then tried the policy "Client USB device redirection rules" and set the value "Deny: Class=08"

In this case the thumb drive will not be mapped anymore but the scanner does not work after that :44_frowning2:


Any ideas wy the policy "Client removable drives - prohibited" does not work?


best regards,




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