Oh how often did I sit in my office and tried to log into a newly installed server. It’s always the same..you are in the server-room … installing the operating system … it’s cold and loud … and the one thing you’ve forgotten: enabling the Remote Desktop.

Here’s a short howto to get this done remotely:

“Set fDenyTSConnections to 0 to enable Remote Desktop.”

and of course there’s a long version…

Source: How to enable…