Windows Home Server

http://en.wikipedia.org/wiki/Windows_Home_Server
Remote Desktop ServicesThe system also supports Terminal Services Gateway, allowing remote control of the desktop of any Windows computer on the home network.^[13][19] Currently supported systems are those which would normally support Remote Desktop: Windows XP Professional, Tablet and Media Center editions, Windows Vista Business, Enterprise and Ultimate editions and Windows 7 Professional, Enterprise and Ultimate editions. The web interface also supports embedding the Remote Desktop ActiveX control, to provide remote access to home computers from within the web interface directly. Remote sessions can also connect to the Home Server console to configure the server over the internet.^[13]