Few most seen errors with bind/DNS and instruction on how to fix them Starting named: Error in named configuration: /etc/named.conf:57: zone 'ns1.web.co.uk': already exists previous definition: /etc/named.conf:46 /etc/named.conf:58: zone 'ns2.web.co.uk': already exists previous definition: /etc/named.conf:47 [FAILED] Edit file /etc/named.conf with your favorite file editor or from CWP and remove duplicated entries for above specified zones.