When i'm logged in plesk admin panel > service management it seems dns server is not started (red icon) When i do a ps -auxf it seems named is running named 3240 0.0 0.2 29996 2744 ? S 20:34 0:00 /usr/sbin/named -u named -c /etc/named.conf -u named -t /var/named/run-root In /var/log/messages i see : Aug 25 20:35:14 Rayden named: invalid command from 127.0.0.1#50575: bad auth How can i solve this. BTW when logged in it shows it header Plesk 7.5.2 but is is upgraded to 7.5.4 , how can i change this . Yes i've double checked if update was complete and it has. Thanks in advance for your help.