Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceInstall\Restrictions]
"DenyDeviceIDs"=dword:00000001
"DenyDeviceIDsRetroactive"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceInstall\Restrictions\DeniedPolicy]
"SimpleText"="Mounting this file type is restricted by Group Policy"

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceInstall\Restrictions\DenyDeviceIDs]
"1"="SCSI\\CdRomMsft____Virtual_DVD-ROM_"