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JMCLARK_BHD

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Replacing two 2003 DCs with two 2008 DCS and an Exchange Server on the network

I have single location running two separate Domain Controllers (primary and secondary) on my network that are running 2003 Server.  I also have a separate 2003 Server running Exchange 2007.

My company just purchased two new servers that will be running Server 2008 to replace the two 2003 DCs.  

What steps do I need to follow to decommission the old 2003 DCs and promote the two new 2008 DC servers in their place without messing up the exchange server connection?
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Check this from social.technet.microsoft.com.

http://social.technet.microsoft.com/Forums/en-US/winserverDS/thread/3b091c13-486f-4053-8870-ea8f3d2d76c5

Before demoting the 2003 DC you have to transfer the FSMO to 2008.

Install DNS on windows 2008.
Hi

To Upgrade or add 2008 server in your environment you must run adprep commands to prepare your forest and domain.

 You can find adprep32 and adprep(64bit) in windows 2008 OS.

Check the below links it may help you.

http://kpytko.pl/2011/08/25/adding-first-windows-server-2008-r2-domain-controller-within-windows-2003-network/

http://www.elmajdal.net/win2k8/migrating_active_directory_domain_controller_from_windows_server_2003_to_windows_server_2008.aspx

After you promoted 2008 DC move the FSMO roles to 2008 server and move the exchange server DNS and other dependencies pointing to 2008 server. Also all your clients and member server DNS updated to 2008 DC. Once everything done shutdown your 2003 DC and monitor replication and exchange activity. If there is no issues mean demote the 2003 servers and remove from the network.

Thanks
Jai
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JMCLARK_BHD

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Thanks all, this definitely gives me the information I need to move forward.
get it set up? did you want to close this question?
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