Currently I have 2 DNS servers that on NetWare 6.5 SP7 and I plan to upgrade one server from SP7 to SP8.

Can I have 2 different versions of named.nlm that hosts the same domain name? I had problem previously when one named server is on NetWare 5.1 and the other on NetWare 6.5.

I found a new DNS NetWare DNS server for NW65SP8, should I apply this patch to the NetWare 6.5 SP7 server