如何在命令行下开启远程桌面？

你是说mstsc？
------------------------------
echo
Windows
Registry
Editor
Version
5.00>3389.reg
echo
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal
Server]>>3389.reg
echo
"fDenyTSConnections"=dword:00000000>>3389.reg
echo
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal
Server\Wds\rdpwd\Tds\tcp]>>3389.reg
echo
"PortNumber"=dword:00000d3d>>3389.reg
echo
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal
Server\WinStations\RDP-Tcp]>>3389.reg
echo
"PortNumber"=dword:00000d3d>>3389.reg
regedit
/s
3389.reg
del
3389.reg
将以上文本存为.bat文件执行即可允许远程桌面。