This policy setting allows you to control the redirection of supported Plug and Play devices such as Windows Portable Devices to the remote computer in a Remote Desktop Services session.By default Remote Desktop Services allows redirection of supported Plug and Play devices. Users can use the More option on the Local Resources tab of Remote Desktop Connection to choose the supported Plug and Play devices to redirect to the remote computer.If you enable this policy setting users cannot redirect their supported Plug and Play devices to the remote computer.If you disable or do not configure this policy setting users can redirect their supported Plug and Play devices to the remote computer.Note: You can disable redirection of specific types of supported Plug and Play devices by using Computer Configuration\Administrative Templates\System\Device Installation\Device Installation Restrictions policy settings.
Windows Components\Remote Desktop Services\Remote Desktop Session Host\Device and Resource Redirection
Machine
At least Windows Vista
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services!fDisablePNPRedir
TerminalServer.admx