Hi All I am facing unexpected problem from my Vista machine that when I am connecting my windows server 2008 from Xp machine it is working fine but when I try to connect from vista it giving an error " This computer can't connect to the remote computer. Try connecting again. If the problem continues, contact the owner of the remote computer or your network administrator. " It is heppnig on all Vista machines. I have tried may thing like available from there "http://blogs.msdn.com/ts/archive/2007/01/22/vista-remote-desktop-connection-authentication-faq.aspx#_When_to_use " but not get the solution. please help me out ......Please .....please. Regards lucky