Save this script on batch file, update server list, and run.

 1
 2echo off
 3cls
 4echo computerName1 >  computers.txt
 5echo computerName2 >  computers.txt
 6echo computerName3 >  computers.txt
 7echo computerName4 >  computers.txt
 8FOR /F %%A IN (computers.txt) DO (
 9
10    echo ------------------------------------------
11    echo Check server : %%A
12    echo.
13    qwinsta /server:%%A
14    echo.
15    FOR /f "tokens=2" %%i IN ('qwinsta /SERVER:%%A ^| find /i "disc"') DO (
16       ECHO %%i | rwinsta %%i /SERVER:%%A /V
17    )
18    echo.
19)
20
21pause
22exit

Source : http://serverfault.com/questions/211043/script-to-kill-terminal-sessions