Adding 2012 server in a 2003 domain

raised domain and forrest level to 2003, ran dcdiags, then adprep all looked good. Added Active Directory Domain service and when i get to the prompt to promote to domain controller it does not see the 2003 domain, it says it can't find a 2008 or 2012 domain. My thoughts are it's a dns issue but nothing difinitive in event viewer? Any suggestions would be appreciated.
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I believe this is a compatibility issue.   Windows Server 2003 is not supported as far as I can remember
Hypercat (Deb)Commented:
Check the remote registry service on the 2003 DC and make sure it's set to Automatic, it's started, and the security context is set to NT Authority\Local Service.
Seth SimmonsSr. Systems AdministratorCommented:
if you are referring to the yellow bar at the top saying it couldn't find a 2008/2008 R2 or 2012 domain controller, you can ignore it
it is just a warning that you can't make that first 2012 server a read-only domain controller
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icn2pcsAuthor Commented:
both settings are there.
icn2pcsAuthor Commented:
the install button is greyed out
Hypercat (Deb)Commented:
Is the 2012 server using at least one of the 2003 DCs as it's DNS server? You should have the 2012 server pointing only to internal DNS servers.

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icn2pcsAuthor Commented:
Issue ended up being a misconfigured DNS server. Once DNS was properly setup was able to continue and complete domain migration from 2003 to 2012.
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Windows Server 2003

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