Yes, thats the problem. We understand it shouldn't be happening, but it does.

We have updated to the most recent version, many times!

It has always done it to us, and as I said, we didn't originally set it up.

However, recently the students have found that they can do this, and it has become a problem.

We understand it should forcibly log them off if they do manage to break to logon, but it doesn't do that either.