Change Proxy Setting of a Server

//Correct command
netsh winhttp set proxy proxy.net.org:8080

Reference:
http://stackoverflow.com/questions/1041886/how-can-i-specify-a-proxy-configuration-using-microsoft-xmlhttp
http://support.microsoft.com/kb/289481/en-us
http://msdn.microsoft.com/en-us/library/ms760236
http://support.microsoft.com/kb/289481/zh-tw
http://www.logikdev.com/2010/07/07/use-serverxmlhttp-through-proxy/

Note:

  • Remember to open command window as administrator or command will be denied.
    cmd -> (right click) -> as administrator