Hi, I have installed Virtual multi-server environment from tutorial on http://www.howtoforge.com/virtual-mu...th-ispconfig-3 is working fine I plan to add 2 or 3 more servers to my existing Dedicated Server and want to use same NS1 & NS2 which I have added for my Server Set-up My existing Server has 6 IPS & are used as under Type: Node Hardware: Dedicated Hostname: root.example.tld 192.168.1.1 Type: Container Hardware: Virtual Hostname: web.example.tld 192.168.1.2 Type: Container Hardware: Virtual Hostname: mail.example.tld 192.168.1.3 Type: Container Hardware: Virtual Hardware: Virtual Hostname: mail1.example.tld ( One extra Mail Server) 192.168.1.4 Type: Container Hardware: Virtual Hostname: ns1.example.tld 192.168.1.5 Type: Container Hardware: Virtual Hostname: ns2.example.tld 192.168.1.6 my "resolv.conf" looks like as under; vi /etc/resolv.conf search example.tld nameserver 192.168.1.5 # ns1.example.tld nameserver 192.168.1.6 # ns2.example.tld nameserver 8.8.8.8 # google Public DNS vi /etc/hosts looks as under 127.0.0.1 localhost.localdomain localhost 192.168.0.100 server1.example.com server1 192.168.1.5 ns1.example.tld 192.168.1.6 ns2.example.tld Should I make /etc/hosts for 2nd server to work under same ns1 & ns2 as under?; vi /etc/hosts (Server 2 which to be added to same network) 127.0.0.1 localhost.localdomain localhost 192.168.0.200 server2.example.com server2 192.168.1.5 ns1.example.tld 192.168.1.6 ns2.example.tld Thanks & regards, Abin