Building an Exchange server in parallel with the old one

So I have new hardware - 2003 server is installed - all updates installed.  I need to install AD on the new box and make it a domain controller.  Any risks to do this in an existing AD 2003 server environment?
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there should be no risks adding another new dc to the domain provided the domain is working correctly.
i.e. replicating with other dcs and there are no errors apparent

question: you mention exchange in the title, but dc in the body of the question
are you adding a dc or an exchange server?
LTWadminAuthor Commented:
Thanks. The old Exchange server has aging hardware.  A new server was purchased so I'm building the replacement Exchange server on it.  PS - I don't fully know what I'm doing either.  I'm reading from a Step-by-step Migration guide...
Have a look here
XADM: How to Move Exchange Server to a New Computer That Has the Same Name;en-us;Q155216

How to remove the first Exchange Server 2003 computer from the administrative group

hope it helps you

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LTWadminAuthor Commented:
Need I say more?  Thanks!
LTWadminAuthor Commented:
Actually I may have jumped for joy too soon but that's OK regarding the points.  Just noticed this has a caveat about the processor platform needing to be the same - they are not.  Then I would have a question regarding the ability to have a server with the same name online at the same time as the old one.  I may just open another request...
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Windows Server 2003

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