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Creating a new child domain (in a new tree), DNS questions

Posted on 2014-02-13
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Hi

Currently we have a single forest / single domain model, ABC.com, i need to create a new domain in the forest but it needs to have an entirely separate name, 123.com

I am planning on creating a new domain in a new tree however i have some questions.

Does the server i promote to the 1st DC in this child domain need to be a member server in the existing domain first, or can i go straight from a workgroup to a DC in the new child domain

DNS

Currently we use AD integrated zones on our existing domain ABC.com,

Before promoting the server the the 1st child DC do we need to configure it to use the DNS servers in our current domain.

If the above is Yes, Once we install DNS on the server and its fully functional as a DC / DNS server in the new domain do we then change it back use itself as a DNS server

Do we need to create a conditional forwarder for each of the domains, so on domain abc.com a forwarder to 123.com and visa versa.

Thanks
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Question by:ncomper
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Peter Hutchison earned 2000 total points
ID: 39856411
1. No you do not need to make it a member first. In fact you shouldn't. You can promote it from a workgroup to a DC .

2. Since it is a new Active Directory domain, it will install the DNS service for the 123.com domain when you run dcpromo and it will be the main name server for that new domain.

3. Yes, you will need to create forwarders up to enable each domain to resolve names in the other domain.
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by:ncomper
ID: 39856460
Thanks, am i correct in thinking that because its going to be a new domain tree therefore have a completely different DNS name to by existing domain i don't need to worry about doing any delegation on the existing domains DNS, that's more relevant when creating a child domain in the same tree

Thanks
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by:Peter Hutchison
ID: 39856520
Yes, that is exactly correct.
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by:ncomper
ID: 39858757
Thanks
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