How to disconnect a user session with "tsdiscon" command on my Windows 7 computer?

If you see a user session running on your Windows 7 computer, you can use the "logoff" command to disconnect it:

C:\fyicenter>tsdiscon /?
Disconnects a remote desktop session.

TSDISCON [sessionid | sessionname] [/SERVER:servername] [/V] [/VM]

  sessionid           The ID of the session.
  sessionname         The name of the session.
  /SERVER:servername  Specifies the Remote Desktop Session Host server (default
is current).
  /V                  Displays information about the actions performed.
  /VM                 Disconnects session on server or within virtual machine. T
he unique ID of the session needs to be specified.

For example:

C:\fyicenter>query session
 SESSIONNAME       USERNAME                 ID  STATE   TYPE        DEVICE
 services                                    0  Disc
 console                                     1  Conn
                   joe_tester                2  Disc
 rdp-tcp#1         jay_writer                3  Active
>rdp-tcp#0         fyicenter                 5  Active  rdpwd
 rdp-tcp                                 65536  Listen

C:\fyicenter>tsdiscon 2 /V
Disconnecting sessionID 3 from sessionname

C:\fyicenter>query session
 SESSIONNAME       USERNAME                 ID  STATE   TYPE        DEVICE
 services                                    0  Disc
 console                                     1  Conn
                   joe_tester                2  Disc
                   jay_writer                3  Disc
>rdp-tcp#0         fyicenter                 5  Active  rdpwd
 rdp-tcp                                 65536  Listen

jay_writer is disconnected from the computer now.

Warning: disconnecting someone will close his/her remote desktop But his/her programs will be suspended and he/she can reconnect to session to resume them.

⇒ Remove User Session with "logoff" Command

⇐ Use "Query Session" Command

⇑ Managing User Remote Login Sessions

⇑⇑ Windows 7 Security Tutorials