查询
reg query "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp"

win2008 open3389

WMIc /namespace:\\root\cimv2\terminalservices path win32_terminalservicesetting where (__CLASS != "") call setallowtsconnections 1
WMIc /namespace:\\root\cimv2\terminalservices path win32_tsgeneralsetting where (TerminalName ='RDP-Tcp') call setuserauthenticationrequired 1
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v fSingleSessionPerUser /t REG_DWORD /d 0 /f

winxp/7 open3389

WMIc /namespace:\\root\cimv2\terminalservices path win32_terminalservicesetting where (__CLASS != "") call setallowtsconnections 1