Installing Exchange 2013 on a non DC issues

I have a domain server running 2003.
Just installed a second server running 2012 r2.
I attempted to configure exchange 2013, but im getting the error " The forest functionality level needs to be at least 2003 Native".

Does Exchange 2013 have to be configured on the actual DC? I checked and my server is 2003 Native.
cnl83Asked:
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great_gentle_manConnect With a Mentor Commented:
hi,

"Remember that to raise the functional level of your forest all domains in that forest must be at that functional level or higher. In other words, the level to which you can raise the forest level will be determined by the domain in the forest with the lowest domain functional level." (reference:- http://itfreetraining.com/70-640/forest-functional-levels/ )


kindly refer to these articles.

I think in your case, your domain is at 2003 functional level but not the forest.
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Cliff GaliherCommented:
No exchange does not need to be on a DC, and that should, in fact, be avoided. First and domain functional levels are properties of Active Directory. You can have a 2003 DC (and even only a 2003 DC) but the functional levels still at 2000 or 2003 mixed.l...for backwards compatibility. You must raise the functional levels to 2003 native before exchange 2013 will install.
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cnl83Author Commented:
I did. Went back to it and it said it was the highest it could go at 2003.
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Md. MojahidCommented:
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Suliman Abu KharroubConnect With a Mentor IT Consultant Commented:
The domain financial level is different than the frost functional level.

You post says that "" The forest functionality level needs to be at least 2003 Native"." so you need to rais the forst functional level. and yes all DCs not only DCs in that domain but all the entire frost must be 2003 at least.

Here is how:
http://technet.microsoft.com/en-us/library/cc730985.aspx
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cnl83Author Commented:
Did the domain only.
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