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Exchange 2000 Migration to Exchange 2003 Including AD Roles

Hey everyone,

I think this question kind of overlaps in the Exchange Server group too but i posted it here.

Here is my question. The network is currently setup as follows.
Server A: 1 windows 2000 server with Exchange 2000 installed serving all clients as the Domain controller and Exchange Server. Also set as the GC Server for the Domain

Server B: 1 Windows 2000 box acting as a domain controller

Server C: This is a new server which has been built with new hardware from scratch as a Windows 2003 Domain Controller with Exchange 2003 installed.This server will take over both the roles of Server A as the Main DC and Exchange.

The outcome is to have Server C as the Master DC and Exchange Mailboxes hosted on this server. Server B will remain the backup DC. Server A will be demoted to a member server

As i see it steps would include:

1. Migrating the Exchange 2000 Stores to Exchange 2003 .. Is there anything to look out for when doing this?

2. Then the 2003 box would need to have all the FSMO roles transferred to it , including being the GC?

3. After doing this then demote the old 2000 machine to a member server. Will dcpromo remove all the AD info properly or will i need to use ADSIEdit or NTDSUtil?

What I am looking for is a step by step plan in doing the above including anything i may have left out to ensure everything works ok on the other side :)

thanks for your help

1 Solution
I answer in a diffrent order but anyway, Yes you have to move the GC as well. If you do not have a GC no user except administrator will be able to log in.

Dcpromo will remove all AD data from the server and make it a member server.

A step to step migration for exchange is here: http://www.msexchange.org/tutorials/Upgrade_Exchange_2000_to_2003.html

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