Exchange 2000 & exchange 2003

Can I install an additional Exchange server 2003 on an existing exchange 2000 environment?
I am using Windows 2K3.

Thank you.
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SembeeConnect With a Mentor Commented:
You can quite easily.
You will need to run the forest prep and domain prep tools for Exchange 2003. This will turn the Exchange org in to a Exchange 2003 Mixed org. Once that has been done (and enough time allowed for replication), you can install Exchange 2003 and it will join the existing Exchange org automatically.
Then all you need to do is configure replication of some public and system folders and you are ready to move or create mailboxes.

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