Running Windows Core Series, query and logoff administrative RDP users.
When running these commands or using them in scripts keep in mind that some may become deprecated in future versions of Windows. Best practice is to use the PowerShell commands when possible to future proof any script that use these commands. These commands were run on Windows Server 2012R2.
When running Windows Server 2012+ without a GUI note that the GUI can be reinstalled via PowerShell (Install-WindowsFeature) and a reboot.
From Windows Server core command prompt:
To view logged on users. Note the ID number as it is needed for remotely logging off a connection:
To logoff a user connected to RDP session:
C:>Logoff /v <SESSIONID>
If you know any other interesting ways of getting this information from a Windows Server core installation post below.
Thanks for stopping by and see other Windows Server core tips; http://blogs.technet.com/b/chad/archive/tags/server+core/default.aspx