Prevent VNC session from locking screen

I don't think you can do it that way. When the user disconnects, inetd kills the servers which were spawned for that connection.

Try using NX/FreeNX instead, it can do disconnect-session persistence. It can also allegedly connect users to an already running instance on the desktop, but I've never tried that.

I don't think VNC does what you're looking for as it's supposed to be a remote console view, as if you're at the desktop, not a remote desktop session. If it's possible to do it would require a very specific server program.

You might have better luck just using RDP. That gives you a logged in session. But it won't give it to the person sitting at the remote end in the chair.