您好:
官方文档中关于w2012r2 rdp 侦听端口仅需配置下面两项,其他配置并不是必须配置。
(1)HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\PortNumber 2289
(2)在防火墙中开放 2289 端口
Change the listening port for Remote Desktop on your computer
https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/change-listening-port
Best Regards
Andy YOU
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