Windows Management Instrumentation (WMI) must be enabled in the firewall
(user account may need to be on same workgroup, may also need to be admin and/or have a password)

taskkill /s CTC-Server /u Craig /im notepad.exe
SUCCESS: The process "notepad.exe" with PID 5016 has been terminated.

can also do tasklist in similar fashion to get a list of processes on remote machine