How to Remotely Shut Down or Restart Windows PCs
services.msc
remote registry - set to automatic and start
Cortana search "allow an app through windows firewall"
or
Control Panel\All Control Panel Items\Windows Firewall\Allowed apps
change settings
tick Windows Management instruments (WMI) check private UNCHECK Public
you can launch command prompt and type in shutdown /I for the GUI or command line
shutdown /s /m \\owner-laptop /t 30 /c “Shutting down for maintenance.” /d P:1:1
Cheers
Rescue PC