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DHCP updating Active Directory Integrated DNS

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Last Modified: 2010-04-11
Hi,

Background:
I will have two forests on the same site each with a root domain and a child domain.
Live.ads - Child.Live.ads
Test.ads - Child.Test.ads

I want to use Active Directory integrated DNS on domain controllers in each Forest.
I also want to use DHCP (and for this to update DNS)

Question:
How will the DHCP server know which DNS server to update and which zone.
Comment
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It is not the DHCP server which updates the DNS server , but the clients update your dns with there IP .

Do not use DHCP for your DC .

Check this for more detail

http://solutions.brother.com/Library/pdf/configure_W2K_DHCP.pdf

Author

Commented:
I wasn't planning on using DHCP for servers only for clients.

From my understanding when using DHCP and DNS, a client will register its forward address with DNS and a DHCP server will register its reverse address with DNS. Or you can configure DHCP server to do both.

Let me expand my example.

Client Details (Test PC)
Name: TestPC1
Domain: Child.Test.ads
DNS server: LiveDC1 (Handed out via DHCP Server)

Client Details (Live PC)
Name: LivePC1
Domain: Child.Live.ads
DNS server: LiveDC1 (Handed out via DHCP Server)

Server1 Details (Live Forest DNS server)
Name: LiveDC1
Domain: Child.Live.ads
DNS Server: Authoriative for zone Child.Live.ads

Server2 Details (Test Forest DNS server)
Name: TestDC1
Domain: Child.Test.ads
DNS Server: Authoriative for zone Child.Test.ads

Server3 Details (DHCP Server)
Name DHCP
Domain: Child.Live.ads
DNS: LiveDC1
DNS: TestDC1

From my understanding the DHCP server is for the site(subnet) and not the Domain, so a single server could hand out IP Address from both Child Domains. How will the client and server update DNS??
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