We are upgrading our Server from 2008 to 2012. In that process, We have a Windows Server 2012 acting as a new DNS, with a new IP - DNS2.

Most of our servers use static IP (as well as DNS assignment) and pointing to the old DNS (DNS1)

What is the correct way to update the DNS1 IP - to the new DNS2 IP? but still keep the static settings on the member servers?

Do I need to go over each server manually?

  • Most of our servers use static IP - I would hope that they all do. Do I need to go over each server manually? - That's one way to do it and seems like the most direct method to me. – joeqwerty Oct 26 '14 at 15:25

You could use psexec and netsh to remote change the DNS servers

use netsh interface show interface to show the interfaces

use netsh interface ipv4 add dnsserver "InterfaceFromAbove" address=DNSIP index=1 to set the DNS server

It would be easy if they all have the same interface name

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  • Does this add a DNS server, or update the first server as requested by the OP? If, as I suspect, this doesn't remove the defunct IP, including those steps would make this a good answer. – I say Reinstate Monica Oct 31 '14 at 2:03

Unless you have a lot of servers such that it would be worth the effort to write a script to update them, the best approach is to update the DNS settings by hand. You can do it other ways, but there's a time trade-off to consider.

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