set port=3389
REG ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\Wds\Rdpwd\Tds\Tcp" /v PortNumber /t REG_DWORD /d %port% /f
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d %port% /f
netsh advfirewall firewall add rule name="%port%" protocol=TCP dir=in localport=%port% action=allow