Most of the time it is pretty easy to work with Windows server without using RDP (remote desktop). However, on occasion for various reasons you just have to jump on the box directly. What sucks is when other people on your team for whatever reason can’t get stuff done without using RDP and so they end up squatting on the console of the server preventing you from jumping on too. What really annoys me about this is when not only can they not work remotely, but they can’t bother to log off their session when they are done. When that happens, until somebody logs out nobody can get on. At least not until somebody gives them some help. And here is the help you need:
Everything you need to help your friends is in two commands: Query and Logoff
First use Query to determine who is camping on your server:

This will give you a list of RDP sessions on the server you specify. Look at the state column that are not active are fair game. Say session 2 needs killing:

Now you can take care of console squatters without having to waste time asking people to follow RDP etiquette.
In short, two commands:
Query session /server:[servername]
Logoff [sessionid] /server:[servername]