Hi, I’m running Windows 2003 R2 forest. Here in the root domain I have 2 root servers. Under this I also have two child domains, lets consider them as B and C. Apart from this I also need to add a 3rd child domain (D). This will contain two 2008R2 DCs which will not be DNS servers. Now what I was planning was to move all the DCs to 2008R2 for new few months but as I need to add another child domain and I think this is the good time to start moving to 2008R2 for the DCs.
Now according to this I have few questions which need to be cleared before I move ahead, which are as follows:
First, I would like to know what is I add a 2008R2 child domain, will I need to run adprep /forestprep and adprep /domainprep against my current DCs in the forest root? Is the purpose of these to bring 2003R2 Schema up to the same level as 2008R2?. Second, after the upgrade will I be able to add servers, run dcpromo and create the new domain as a child of A?
Please provide your suggestions. Many thanks.
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