Sometimes you find yourself locked out of your windows pc or server.
For example when there are to many concurrent users, the server ran out of terminal services (rdp) licenses or license server unavailable errors during logon
Often you can workaround these kind of issues and force the rdp connection to establish by using rdp in admin mode, admin mode used to be called console or /console in windows server 2003 and older.
The /admin parameter forces the connection and can also force another user to be logged out.
You can start remote desktop in admin mode by clicking start>run (or winkey+r) and typing the following command followed by pressing enter:
The rdp window that will appear on your screen looks exactly the same but you will find it can login without any issue.