ChrisControl provides remote controll on any computer on the domain. It uses the integrated authorization to install VNC on the fly on the computer you want to monitor/remote controll.
Add Chriscontrol.exe in a directory in your path and add to the actions:
ChrisRemote - ChrisControl.exe /h:{computer} /v /noask /go
ChrisControl can be downloaded from
http://www.chall.plus.com/winpe/