Well, we initially had a single server (Compaq) - which handles all
DNS/DHCP requests for our LAN. We have added another server (Dell), I

assumed that this was automatically placed in NDS as a secondary

All workstations point to the Compaq server for DNS/DHCP.

I can ping from any workstation to the Compaq, by either it's hostname
it's IP Address, from any workstation on our network. I can't however
the recently added Dell server by it's hostname, the following is
displayed when I try...

Ping request could not find host Dell. Please check the name and try

I can ping the Dell via it's IP address though.

Where does the A Record get configured? iManager? - I understand that
need to add this record in to DNS to be recognised, I don't know where
look in order to accomplish this.