How to kill session remotely

1. Download PsTools at this address http://technet.microsoft.com/en-us/sysinternals/bb896649.aspx and then run Windows command prompt at the folder containing PsTools
2. Run psexec command: D:\PsTools> psexec \\RemoteMachineName_Or_IPAddress -u UserName -p Password cmd
Wait a moment to allow to connect to remote server. A new command prompt will appear like that:
C:\WINDOWS\system32>
3. Run: qwinsta to get session ID need to log off: C:\WINDOWS\system32>qwinsta
A list of sessions will display, choose one you need to kill
4. Run: C:\WINDOWS\system32>logoff SessionID /v