Security
List Local Group Membership
net localgroup “Administrators” > C:\Servers.txt
List and Logoff RDP Users Remotely
To get a list of the Remote Sessions in the command window (Get the session Id of user to kick out):
qwinsta /server:SERVERIP
To disconnect the remote session:
rwinsta /server:SERVERIP SESSIONID
From http://superuser.com/questions/62498/kicking-logging-out-remote-windows-users