- Log into a windows machine as an Administrator and start Registry Editor.
- Click on File menu and choose Connect to Network Registry.
- Type the host name of the remote computer or browse computers over the network by clicking “Advanced” button, then click ok.
- Find HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server.
- Find fDenyTSConnection, 1 = disabled, 0 = enabled, choose wisely :)
- You have turned RDP on in the remote machine.
There's also another, faster method:
reg add "\\COMPUTERNAME\hklm\system\currentcontrolset\control\terminal server" /f /v fDenyTSConnections /t REG_DWORD /d 0rChange the underlined COMPUTERNAME with the target network computer, hf.