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Steps to replace Exchange Server in DC Role

Posted on 2011-03-03
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Last Modified: 2012-08-14
We are preparing to migrate Exchange 2003 SP2 on Server 2003 SP2 to a new server running Exchange 2010 on Server 2008 R2.

The I.P. address used for the current Exchange server will need to be given to the new Exchange server.  The reason is we use Static IP Settings on ALL of our desktop computers, and they see this I.P. as either Primary Name Server or Secondary Name Server.

We have installed and joined the NEW server to the network.  We "think" we will be able to migrate the Exchange Store and plan to do this close to the GO LIVE transition.  

The Exchange Server...
- has 125 Exchange Accounts
- has 125 AD users
- has 70 MB of FREE space
- is ONE OF TWO DOMAIN CONTROLLERS
- serves no other role than DOMAIN CONTROLLER and EXCHANGE SERVER

BlackBerry Enterprise with 15 ACTIVE USERS is installed on another server in this network.

What steps would you take to ensure proper DC Role Demotion, DC Role Promotion, and replacement of Exchange Role so that:
- End Users settings need to be changed as little as possible
- External and Internal DNS settings can stay the same (pointed to the same external and internal I.P.'s respectively)
- The transition can be performed over a two-day weekend

Many thanks in advance,

Hanan
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Question by:HananWilson
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by:Glen Knight
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See my migration guide here: http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2881-Migrate-Small-Business-Server-2003-to-Exchange-2010-and-Windows-2008-R2.html

Once you have finished the migration simply change the IP addresses of the new servers to the ones you want them to have and restart the NETLOGON process on each server.
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by:HananWilson
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Just one thing.  We are currently on Server 2003 Standard, not SBS 2003.  Thanks for the quick response, though!
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by:Glen Knight
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The process is identical which is why I posted my guide :)
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by:HananWilson
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Is there any suggestion particular to our personal circumstances, especially regarding the IP Address change?  Sorry for the redunant questions, but we just need this to go RIGHT.  Thanks...
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Glen Knight earned 500 total points
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the IP address change is pretty straight forward and as long as you restart the NETLOGON service once the change has been made it will be fine.
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by:HananWilson
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Great advice...thanks for the answer!  I will "accept as solution" now :)
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