How to setup 2 AD with 2 DNS in the same domain. Backing each other

[dkwokgs]

How to setup 2 AD with 2 DNS in the same domain.

backing up each other. like if I shutdown 1 but the other should reply when I ping the domain name.

Please advise.

Thanks

[OcDevil]

Run dcpromo on the second server and make it a domain controller in an existing domain (Current domain)