Solved Does ADS require DNS and does DNS require DHCP

May 26, 2012 at 05:40:36
Specs: Windows 64, 2.812 GHz / 2047 MB
Ok a bit vague so some further details, I am running 2008 R2 Server as the host partition ('VMHost') for some virtual machines, with a couple of other workstations attached on the network. At the moment it is all working fine as a Workgroup but I am finding that I need to switch this over to a Domain environment.

My intention is to install Active Directory on the virtual machine host. Question is do I also need to install DNS for ADS to work correctly. Also do I need to install DHCP for DNS to work properly. At the moment DHCP server service is provided by a hardware router, can I leave it this way or does DNS require DHCP service to be installed on the same machine?


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May 26, 2012 at 06:05:22
✔ Best Answer
Active Directory requires a properly configured DNS server as that is how clients locate a domain controller. DHCP is not necessary.

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May 28, 2012 at 06:36:39
Thanks for the info LMiller7. I have now actually installed all three ADS, DNS & DHCP. Wasn't sure if using an external DHCP server (router) would update the DNS records correctly so for the moment I have disabled the routers DHCP.

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May 30, 2012 at 19:46:54
DNS is absolutely required for AD. While it is how clients find a domain controller, it does a lot more than that. DHCP isn't technically necessary but in an environment of any size, one could argue is almost necessary just because of the admin nightmare without it. DHCP can be configured to update DNS records for clients that don't do it themselves. Most client machines will register with DNS and update their own records.

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