Computer Configuration > Administrative Templates > Citrix Components > Citrix Workspace > Remoting client devices > Generic USB Remoting
Machine
HKLM\Software\Policies\Citrix\ICA Client\GenericUSB
Specifies devices or classes to remove when the client machine is locked. Syntax: Each device is case-insensitive and of the form VID=XXX PID=XX;VID=YYY PID=YY Each class is case-insensitive and of the form class=XXX subclass=XX prot=X Example: class=03 subclass=01 prot=01;VID=173E PID=0046 Default Behavior: HID Keyboards and Mouse (class=03 subclass=01 prot=01;class=03 subclass=01 prot=02;class=03 subclass=00 prot=01;class=03 subclass=00 prot=02) are removed and auto redirected during client lock and unlock.