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Windows 2003 DC " Can I add a windpws 2008 DC to the extiguish DC 2003 R2"

Hi all,

Here you go my question.

I am running a VM Ware ESX3i Version 4 64 bit. I just upgraded the Hardware and installed this new version of VMware.

I transferred back all my VM that are all 32 bit to this VM Ware ESX3i 64 Version 4.

My virtual environment is  composed from 5 VM 32 bit.

1) Two DC windows server 2003 R2
2) One Exchange Server 2003 Windows 2003 R2
3) One File Server Windows 2003 R2
4) One backup Server windows 2003 R2

Now I want to add Two additional DC but on Windows Server 2008 64bit version. Once I do so, I want to remove the old DC 2003 and raise the level to windows 2008. Can I do so like this or I have to upgrade the DC to windows to 2008?

I want to do the same wiith the fileserver and with the Exchange.

Regarding the file server should be easy just install a new fresh windows 2008 and make it as file server, regarding exchange I want to install a new windows server 2008 64 bit and install exchange 2007 than transfer all the mail box from the 2003 to the 2007.

It seems to be easy but practically it's not that easy.

What you would advice as best practice?

It is better upgrade the DC 2003 R2 or installed an new and join it to the extinguish 2003 domain.

Do I need to extend the schema? Please could suggest a complete best practice for this new environment?

I already have an Idea on how to do so but I do not feel so secure.

Thanks in advances

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daveviolante
Asked:
daveviolante
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1 Solution
 
PeteJThomasCommented:
I can't speak for Exchange, but for the DCs, it should be relatively simple - Stand up a new 2008 box as you said, and make it a member of the 2003 domain.

Mount your 2k8 DVD to a 2003 DC (the one that holds all the FSMO roles), and run: adprep /forestprep, adprep /domainprep, and adprep /gpprep.

Now you're 2003 schema is extended, you can promote the 2008 member to a domain controller, install everything you want (DNS etc etc). Then transfer your FSMO roles to the 2008 DC.

Leave as long as you feel necessary to be sure that the 2008 DC is functioning properly, then bring up the second 2008 DC.

Once you're sure they're working fine, ensure your clients are pointed to the 2 new 2008 DCs for DNS by changing your DHCP options, then you should be good to demote the 2 2003 DCs, and finally raise the functional level to 2008.

All make sense?

Pete
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PeteJThomasCommented:
In fact, here is a useful article on extending your schema to prepare for a 2008 DC, with some important notes made, like when using x64 2008 servers, ensure you use the 2008 x86 CD/DVD to run the adprep command from an x86 2003 DC, etc...

Take a look, it'll probably make things clearer!!

http://www.petri.co.il/windows-server-2008-adprep.htm
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daveviolanteAuthor Commented:
Good this is very clear!

I will ask some more helps for the Exchange
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PeteJThomasCommented:
Good :)

The Petri guide is nice and detailed, and includes all the information you should need - Work from that, and post any questions you have regarding that, and you can't go wrong!

As you said though, you'll need someone elses help with Exchange - I'm rubbish with it! :)

Pete
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daveviolanteAuthor Commented:
Thanks very much I am already working on the DC issue.

I do now Exchange 2003 but the 2007 version is totally revolutionary, which I mean is completely new technology. Thanks a lot again
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Darius GhassemCommented:
Please look over the link below that has a step by step procedures.

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/Q_23665224.html
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daveviolanteAuthor Commented:
Hi

Thanks the DC issue has already been clarified on previous comments

I need to now how to deal with Exchange 2007 installed on windows server 2008 and how to migrate all mail box from exchange 2003 to exchange 2007
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Darius GhassemCommented:
Here is a link that shows you the steps but to get a more clear cut answer I would post another question in the Exchange zone since you will get expert Exchange help here.

http://www.msexchange.org/tutorials/Transitioning-Exchange-2000-2003-Exchange-Server-2007-Part1.html

Also, the steps provided in the link that was in my post are a little more detailed. Make sure before demotion of any server you run a dcdiag on the new DCs to check for any errors since this is a common mistake with many people they believe the system is healthly but it really isn't
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daveviolanteAuthor Commented:
Thanks for your help
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