开启3389：

@echo off
title 开启3389
cls
rem 开启3389
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 00000000 /f >nul
echo.
echo 提示你：3389已经开启

关闭3389：

echo rem 关闭3389
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 00000001 /f >nul
echo.
echo 提示你：3389已经关闭