Adding child domain DC

Can I get a best practice recommendation with regard to adding a child domain DC in server 2012R2?

In order to fully DCPROMO I assume that the child server needs the parent domain DC's IP as it's primary DNS entry? (even if this will change afterwards) otherwise it won't be able to contact the existing DC?

Should I create a new site in sites and services on the parent DC prior to DCPROMO of the child server? Or am I correct in thinking that in 2012 this is taken care of during the AD DS services during DCPROMO?

Thanks in advance

Jason
Jason MurphyAsked:
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Russ SuterCommented:
I'm a little confused by your question. Are you looking to just add another domain controller to your network or are you creating another domain?

If the former then just run DCPROMO and follow the steps and you're good to go unless you want or need to redistribute FSMO roles.
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timgreen7077Exchange EngineerCommented:
This article will assist you in setting up a child domain in an already existing forest. Very nice and easy to follow article with best practices.

https://www.interfacett.com/blogs/how-add-child-domain-existing-directory-domain-services-ad-ds-forest-windows-server-2012/
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Jason MurphyAuthor Commented:
To clarify this was about adding a child domain however the DCPROMO was failing at replicating the schema directory partition which I assume was because the server could not contact the parent domain DC due to DNS

The solution was to add the server to the parent domain then DCPROMO it and add it as a child - during the DCPROMO process it gets removed from the parent domain

Thanks for suggestions
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Jason MurphyAuthor Commented:
closed thanks all for suggestions
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timgreen7077Exchange EngineerCommented:
Assigning point and closing ticket. Seems suggestions help user with resolutions.
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Windows Server 2012

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