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Exchange 2000 to Exchange 2003

By dennisbv ·
I have an server that is a DC and Exchange 2000 mail server.
Because of a hardware issue I am going to replace it with a new server what I want to know is what I should watch out for with the following.
The existing Domain is Windows 2000 and the new server will be Windows 2003 and it will have Exchange 2003 Enterprise. I am planing on setting the new server up as far as possible then Migrate our old Exchange data over to it. So I am looking for any advice on what to do or not to do in this migration. Also what are my options for updating my clients to the new system (about 70). I am putting the point value high to allow for multiple answers.

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by G... In reply to Exchange 2000 to Exchange ...

First I can recommand this doc:
A god start maybe the general upgrade page if you need something more:
I guess you'll find what you need for Windows 2k3
Then Exchange has a pretty good migration site.

I hope it'll help


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by curlergirl In reply to Exchange 2000 to Exchange ...

The first thing you have to decide is whether you are going to upgrade your domain to Windows 2003 or not. If you want or plan to make your new Windows 2003 server a DC, you must upgrade your domain. If you are planning to add the new Windows 2003 server to the domain as a member server, then you don't have to upgrade your domain. Upgrading the domain involves running Forestprep and Domainprep from the Windows 2003 CD on your existing server, then installing Windows 2003 to your new server and running dcpromo to promote it to a domain controller. If you're going to keep the old server as a DC and not upgrade the domain, then all you need to do is install the new server into the same domain as the old one, as a member server (i.e., DON'T run dcpromo).

Microsoft, by the way, recommends that you not run Exchange on a DC, although I've done it many times without a problem.

Here is an article that might be helpful:

As far as actually installing Exchange 2003, the CD includes a pretty good wizard/checklist that walks you through the steps. I'm usually not a fan of such things, but I've used this one a number of times and it's actually pretty good. Once you've got the new Win2K3 server set up, whether as a DC or a member server, you just install Exchange 2003, configure it as you like, and then start moving your mailboxes.

A couple of tips:

1. Be sure to use the Exchange 2003 version of Exmerge to move the mailboxes. You must be careful, of course, to make sure that the users aren't logged onto their mailboxes while you are moving them.

2. Once the mailboxes are moved, the Outlook client should be able to find the new server automatically without any intervention by you or the users.

Hope this helps!

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