Adding server 2012 R2 as a DC and got an error"One or more prerequisites failed. Please fix these issues and click "Rerun prerequisites check""

Trying to add this 2012 R2 server as a DC into a 2003 domain, and got an error "One or more prerequisites failed.  Please fix these issues and click "Rerun prerequisites check""
When I clicked "Rerun prerequisites check", it just appeared the same result again and again. I hope there is a log to know what prerequisite is not right. Where to find the log? Please help.
CastlewoodAsked:
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RantCanSr. Systems AdministratorCommented:
If your domain functional level is 2003, you first need to raise it to 2008.

https://technet.microsoft.com/en-us/library/understanding-active-directory-functional-levels%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396

Otherwise, please dig into the logs which will enumerate what is failing. Here is a workflow from technet regarding your situation.

https://technet.microsoft.com/en-us/library/jj592690.aspx
Lee W, MVPTechnology and Business Process AdvisorCommented:
RantCan is incorrect - you do not need to raise the functional level to 2003 - you CAN'T - you're running a 2003 DC!  

Can you post an screen shot of your error and a step by step logging of how you are trying to setup the 2012 DC?

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Jeremy WeisingerSenior Network Consultant / EngineerCommented:
If your domain functional level is 2003, you first need to raise it to 2008.
This is incorrect. The minimum to install Windows 2012 R2 is 2003 domain and forest function levels.

"One or more prerequisites failed.  Please fix these issues and click "Rerun prerequisites check""
This screen should actually give you the information on what has failed. Can you post a screenshot?
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Will SzymkowskiSenior Solution ArchitectCommented:
As stated if your domain is 2003 then you also need to raise the forest to 2003 as well. At this point you will be able to promote your 2012 R2 server as a DC.

Reference the Forest/Domain functional levels TechNet here
https://technet.microsoft.com/en-us/library/hh994618.aspx#BKMK_FunctionalLevels

Will.
CastlewoodAuthor Commented:
Thank you all you guys. After I rebooted and run again, it passed the check and completed the AD DS set up.
CastlewoodAuthor Commented:
The function level has been on 2003 already.
ahmed aliCommented:
I have a similar issue. I tried to upgrade from windows 7 to windows server 2012. I get a message that upgrading is not possible from windows 7 so, I select the other option. After installing the windows server 2012, and the AD DS , I tried to promote it to domain controller but I receive the same message.

kind regards
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