/WdsClientUnattend: ]The relative path from the RemoteInstall share to the unattend file that automates the Setup UI screens ...

[/WdsClientUnattend:]The relative path from the RemoteInstall
                                    share to the unattend file that automates
                                    the Setup UI screens on the client.
[/BootImagePath:]    The relative path from the RemoteInstall
                                    share to the boot image that this
                                    computer should receive.


EXAMPLES:
---------
WDSUTIL /Approve-AutoAddDevices /RequestId:12

WDSUTIL /Approve-AutoAddDevices /RequestId:20 /MachineName:Computer1
/OU:"OU=Test,CN=Company,DC=Domain,DC=Com" /User:Domain\User1
/JoinRights:Full /ReferralServer:MyWDSServer
/BootProgram:boot\x86\pxeboot.n12
/WdsClientUnattend:WdsClientUnattend\Unattend.xml /BootImagePath:boot\x86
\images\boot.wim

WDSUTIL /Verbose /Approve-AutoAddDevices /RequestId:ALL