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Addinig a new server 2008 DC to an exitsing server 2003 domain

Posted on 2011-09-19
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I am planning to add a secondary domain controller and DNS server to serve as a backup to the exitsing server 2003 domain controller. Being new to this, I am looking for guidance how this would be achieved?

For example what would be the order of steps to carry this out?

Thanks
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Question by:mick108201
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Tony Massa earned 143 total points
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by:Spartan_1337
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Here are the steps.

Get the Server 2008 media (DVD) and put it in the 2003 server.

Open a command prompt.

Browse to the DVD drive and to the following path: <dvd Drive>:\support\adprep\

If 32 Bit OS, type the following:
Type adprep32 /forestprep
then adprep32 /domainprep /gpprep

If 64 bit OS, type:

adprep /forestprep
adprep /domainprep /gpprep
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by:Darius Ghassem
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First you need to check the health of  the domain.

dcdiag to check for any errors

If all passes then update your schema to the proper level article on this here

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/A_3644-Windows-2008-Server-R2-adprep-adprep32.html

Go through this link to add an additional domain controller


Then in DHCP make sure you add the additional DNS server in your scope options

http://technet.microsoft.com/en-us/library/cc753720(WS.10).aspx
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by:shahravish
shahravish earned 71 total points
ID: 36563336
Steps as below:
First you need to ensure your domain functional level is set to 2003 or later.
Once yu confirm that, you need to prepare your forest for a windows 2008 server, as spartan suggested, depending on your hardware architecture, run adprep

The following guide should be a good read through,
http://www.petri.co.il/windows-server-2008-adprep.htm
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by:shahravish
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I am sorry, I meant functional level should be in NATIVE mode. Windows 2000 Native or Windows 2003
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by:Krzysztof Pytko
Krzysztof Pytko earned 143 total points
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Hi, if you wish, you may follow with an article on my blog at
http://kpytko.wordpress.com/2011/08/25/adding-first-windows-server-2008-r2-domain-controller-within-windows-2003-network/

Regards,
Krzysztof
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by:mick108201
ID: 36899406
Thanks for the responses, very helpfil. One final question, the server I wish to add as a secondary DC is server 2008 R2 but the exitsing DC is just standard Server 2003. Would there be any compatibility issues I need to be aware of?
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by:Tony Massa
Tony Massa earned 143 total points
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You can't use all of the features of a 2008 and 2008 R2 domains until all your DCs are upgraded and the domain/forest is upgraded.  Otherwise, there isn't much that will change.

http://technet.microsoft.com/en-us/library/cc771294.aspx
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by:Krzysztof Pytko
Krzysztof Pytko earned 143 total points
ID: 36900050
Nope. If you prepared schema for new 2008 R2 DC, then there would not be any problems with that.
You can simply add new DC running dcpromo on Windows Server 2008 R2

Krzysztof
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