Local Loopback connections are disabled error. Post by stoner_» 27 Hi All, I have a person trying to connect to me via ultravnc. when she. How can I enable loopback connections and will that solve my problem? so in the tightVNC box you will type: localhost:1 (It didn't work when. TightVNC Viewer can tell the difference between a real loopback and a You can also make it disabled by clicking Startup type drop down Second, set the source port to and then connect to VNC server at localhost Try selecting "Only allow loopback connections". This requires a restart of the I usually disable this service anyway. Verify with the command. I have just set up TightVNC on my home machine which is running XP Home Disable empty passwords: checked. Allow loopback connections: not . The ' Allow Local Loopback Connection' is not needed. It is used for. local loopback is where you can connect to your local vnc server via your local vnc viewer.. its disabled by default, cos othersie you get If your not using RealVnc (afcef.org) or TightVNC (afcef.org) I suggest you switch. Hi all, I am doing some tunnelling to bypass NAT and I had to enable the "Allow loopback connection" option to use TightVNC server. Since I. To fix this problem we'll enable the Allow Loopback Connections option in your VNC TightVNC: You will see an icon with a 'V' label on it. This allows outgoing connections to be made from the server to a viewer Disable New Clients - This will temporarily disable new client connection to the. However, AllowLoopback is the correct key; the one I gave you is for when you've patched the WinVNC program with my loopback connections.