Enable Windows RDP

Enable RDP

Set-itemproperty 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\' -Name "fDenyTSConnections" -value 0
Set-ItemProperty 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\' -Name "UserAuthentication" -value 1
Enable-NetFirewallRule -DisplayGroup "Remote Desktop"

Add the User to the group:

NET LOCALGROUP "Remote Desktop Users" domain\user /ADD

If you need to disable the firewall altogether:

NetSh Advfirewall set allprofiles state off