Windows WinRM quick guide
Check whether WinRM service is running Check already registered listeners Create HTTPS listener Add firewall exception Verify you can connect to the machine via HTTPS
Windows Server 2016
Changing the Administrator Password After Connecting
Connect to the instance via session manager. In command prompt type: net user Administrator “new_password” Note: With Windows Server 2016 and later, Password never expires is disabled for the local administrator. With Windows Server 2012 R2 and earlier, Password never expires is enabled for the local administrator.