Exchange 2003 Server Migration

I currently have an Exchange 2003 Server Std running and the box that it is on needs to be replaced.  I have ordered a new one to migrate the mail store to.  The configuration on the new server will have the same OS (2003 Svr Std Ed SP1) and the same version of Exchange (2003 Std Ed SP1).  What is the best way to migrate the mail store over to the new server and if at all possible, automatically point the clients to use the new server.  We have about 100 - 125 clients in 9 offices using this Exchange box, so I was hoping to avoid touching each Outlook Configuration to point to the new server.  

I am planning on performing this install and migration this month, most likely in the next two weeks.

Thanks in advance.
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SembeeConnect With a Mentor Commented:
Swing it.
Build the new machine
Replicate the public and system folders.
Then use the move mailbox wizard to move the mailboxes to the new server.

As long as both the old and the new server are available at the time the clients connect, they will automatically redirect.

Consequently you can do most of the work in production hours and the move of the mailboxes can be done in a controlled manner.

The only thing I would suggest is to go up to Exchange 2003 SP2 before the migration starts and on the new server. The management of public folders is much improved with the service pack.

When it comes to removing the old server, make sure that you follow the process, either from my article above, or using the KB articles listed at the end.

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