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I believe this is a compatibility issue. &nbsp; Windows Server 2003 is not supported as far as I can remember
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I believe this is a compatibility issue.   Windows Server 2003 is not supported as far as I can remember

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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.
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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.

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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<br />
it is just a warning that you can't make that first 2012 server a read-only domain controller
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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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the install button is greyed out
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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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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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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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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.

Adding 2012 server in a 2003 domain

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.