Accessing Remote Servers with other active users

If you ever have tried to remote to a server and the max number of connections are already estabilsted, here's how to view the sessions remotely and terminate them:

QWINSTA 

View active connections on are remote server

C:\Users\jryan>qwinsta /?

Display information about Remote Desktop Sessions.

QUERY SESSION [sessionname | username | sessionid]

              [/SERVER:servername] [/MODE] [/FLOW] [/CONNECT] [/COUNTER] [/VM]

  sessionname          Identifies the session named sessionname.

  username              Identifies the session with user username.

  sessionid               Identifies the session with ID sessionid.

  /SERVER:servername  The server to be queried (default is current).

  /MODE                Display current line settings.

  /FLOW                Display current flow control settings.

  /CONNECT        Display current connect settings.

  /COUNTER         Display current Remote Desktop Services counters information.

  /VM                     Display information about sessions within virtual machines.

Example:

>qwinsta /server: pc1.domain.com

RWINSTA

Remove the active connections on a remote server 

C:\Users\ebyrne>rwinsta /?

Reset the session subsytem hardware and software to known initial values.

RESET SESSION {sessionname | sessionid} [/SERVER:servername] [/V]

  sessionname                   Identifies the session with name sessionname.

  sessionid                        Identifies the session with ID sessionid.

  /SERVER:servername   The server containing the session (default is current).

  /V                                  Display additional information.

Example:

>rwinsta 2 /server:pc1.domain.com

MSTSC

Another method for stealing control of a server is to use Microsofts Terminal Services Console

>mstsc -v:192.168.1.2 /admin