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Guide on correcting Server 2016 DNS server settings

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Last Modified: 2017-11-06
An organization I am working for recently had two brand new Server 2016 Active Directory servers setup. These servers both have two RJ45 network jacks that are plugged into the internal network

Since this initial setup the IT person added the Hyper-V role to both servers but left the initial DNS server addresses in use.

Then I took over and this organization switched to a faster internet service provider.

I'm looking for a guide on how to go back and properly configure the DNS within this network, in these servers, and on the client computers (which use DHCP) to use the correct internal and external DNS server addresses using the "Configure a DNS Server wizard" or whatever type of manual configuration might be needed.

Please let me know if any further information is needed.
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The current DHCP server is the SonicWALL TZ600 firewall.

The NICs on both servers have a standard configuration. There is no NIC teaming configured.
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I forgot to remove the NIC commentary as it wasn't needed anymore.

Within the DHCP server settings, there was a tab for DNS/WINS. Here you should be able to set the DNS servers sent to DHCP clients.
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IMHO, in the DHCP on the lan should be on the system/servers.
Sonicwall should assign IPs to the other ports of systems/devices unrelated to the AD domain.
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