Changing from a Windows 2003 DNS server to Windows 2012 R2 DNS server

We have two DNS Windows servers. One is Windows Server 2003 and Windows Server 2008. We want to switch the DNS role on the Windows Server 2003 machine to a new Windows Server 2012R2 server and we are looking for the best steps to do this.

We currently have ten servers with either Windows Server 2003 and Windows Server 2008. We would like to make the Windows Server 2012R2 the new secondary DNS server

Any assistance offered with the steps would be greatly appreciated.
regsampAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
how are you going about this?
will it be an additional domain controller?  if so, then once it's promoted it will replicate the AD-integrated zones.
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regsampAuthor Commented:
We plan on making it the Windows Server 2012 R2 system a DC and doing a dcpromo on the Windows 2003 server. But we are unsure of the DNS process. We want to follow this process in this link but not sure about the DNS steps:   http://community.spiceworks.com/how_to/show/57636-migrate-active-directory-from-server-2003-to-server-2012-r2
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Seth SimmonsSr. Systems AdministratorCommented:
the dns zones are ad-integrated which means that once the 2012 server is a domain controller, it will replicate all the dns information.  dns gets transferred automatically after step 5 in that list
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regsampAuthor Commented:
I see what you mean on step 5 now. Thank you for that.
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