Comment 6 for bug 666555

No need to attach the empty file, obviously it's enough to say it doesn't contain anything... ;-)

Nothing weird seems to be done by the backends, so the problem may come from a configuration issue on your system. Could you paste here the output of:
sudo /usr/sbin/usermod -d /newdir/administ -g 1000 -l administ -s /bin/bash -u 1000 administ