post your last lines generated from /var/log/messages
when you try creating an account.
maybe some other info. When did this start, etc etc.
we cant see your settings or know if this started happening for no reason or perhaps it was always like this??
we just cant guess at these things. I think some people that want to be helpful, could be tired of requesting information in order to be helpful. Just a thought, but I originally passed this post up myself due to lack of information.
But your bump (which is highly discouraged) encouraged me to explain why you may be offered no help.