How to migrate windows server 2003 32bit to windows server 2008 R2?

I need a help to migrate a Domain Controller(Windows Server 2003 32bit) to Windows Server 2008 R2. (Transitioning)

Server setup scenario,

1. One Domain Controller with AD + DNS + DHCP   (Windows Server 2003 32bit)
2. Additional Domain Controller with AD + DNS   (Windows Server 2003 32bit)
3. Member Server Exchange Server 2003     (Windows Server 2003 32bit)
4. Member Server Microsoft Dynamic     (Windows Server 2008 R2)
5. Member Server DB         (Windows Server 2008 R2)
6. Member Server Application      (Windows Server 2003 32bit)

Now I need to migrate only AD from windows server 2003 (32bit) to Windows Server 2008 R2. My question is......

1. will affect Exchange server 2003 & Microsoft Dynamic?

Please advice....
senanandAsked:
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Sir LearnalotCommented:
http://technet.microsoft.com/pl-pl/library/dd365353%28v=ws.10%29.aspx

Click on "Active Directory Domain Services and Domain Name System (DNS) Server Migration Guide"

I know this doesn't fully answer your question. The documentation should give you an idea though. Also, check the product documentations for both exchange and dynamics.

I would imagine the only impact would be a required reconfiguration if you change any changed system details... but if you keep the server configured similarly (e.g. IP address, domain, e.t.c.) I don't see of any immediate issues. Again however, I would read the documentations before I start and perform the upgrade in a test environment first (clone the machines to VM's, isolate the network, perform upgrade).

Hope this helps.
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Seth SimmonsSr. Systems AdministratorCommented:
will affect Exchange server 2003 & Microsoft Dynamic?

no; a 2008 R2 domain controller will work fine
just don't raise the domain/forest functional level higher than 2003 else exchange will break
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
I've requested that this question be deleted for the following reason:

Not enough information to confirm an answer.
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Seth SimmonsSr. Systems AdministratorCommented:
i answered the question
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