Topic Last Modified: 2007-06-20
Microsoft Exchange Server 2007 setup cannot continue because the Uninstall Mailbox server role process cannot remove a user mailbox database (store) from the local server without potential data loss.
Exchange 2007 setup checks whether all mailbox stores are removed from the server before the Mailbox server role is removed. However, user mailboxes might still remain on the server.
To resolve this issue, move or disable all user mailboxes on the server and rerun Exchange 2007 setup.
For more information about identifying mailboxes in the database, see the "Get-Mailbox" cmdlet (http://go.microsoft.com/fwlink/?LinkId=93470) in the Exchange Server 2007 product documentation.
For more information about disabling a mailbox, see "How to Disable a Mailbox" (http://go.microsoft.com/fwlink/?LinkId=93471) in the Exchange Server 2007 product documentation.
For more information about how to remove mailbox databases in Exchange Server 2007, see "How to Remove a Mailbox Database" (http://go.microsoft.com/fwlink/?LinkId=93473) in the Exchange Server 2007 product documentation.
For more information about how to manage user mailbox database stores or replicas, see Managing Mailbox Stores and Public Folder Stores in the "Administration Guide for Exchange Server 2003" (http://go.microsoft.com/fwlink/?LinkId=47617).