Earlier quoted context omitted.
That's what "Window Remote Assistance"[0] is for. "By following a few steps, you can invite someone to connect to your computer. After he or she is connected, that person can view your computer screen and chat with you about what you both see. With your permission, your helper can even use his or her own mouse and keyboard to control your computer and show you how to fix a problem." [0] - http://windows.microsoft.com…
yeah cuz i want to spend half an hour explaining how to send an invite to the CEO who cant connect to his email 5 minutes before a critical meeting.... in other words, teamviewer requires 0 user interaction
If it's a domain computer you don't even need that.