To remove the last Exchange 2003 or Exchange 2000 server from an mixed organization (Exchange 2003 and 2007)

1. Move all mailboxes hosted on Exchange 2003 to Exchange 2007

Get-Mailbox -Server Paula | Move-Mailbox -TargetDatabase "Ex20071\First Storage Group\Test Database"

2. Move all public folder replicas from 2003 to 2007

3. Move the public folder hierarchy from the Exchange 2003 to Exchange 2007

Create a new Public Folders Container in Exchange Administrative Group

Drag Public Folders from First Administrative Group/Folders to Exchange Administrative Group/Folders.

4. Delete the domain Recipient Update Services

5. Delete the Recipient Update Service (Enterprise Configuration)

ADSIEDIT.msc utitlity

6. Uninstall Exchange 2003

Add/remove programs

You must provide the Exchange 2003 CD to uninstall it.

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