Cannot remove Exchange component from SBS2003 after migration

We've successfully migrated a Small Business Server 2003 to a newer Small Business Server 2008 box and are now looking to remove the old one from the environment. I have gone into the Windows Small Business Server 2003 part of Add/Remove on the SBS2003 box and have tried to select uninstall to the Exchange component but it is not letting this run as it says there are mailboxes on this server. We have moved ALL the mailboxes over to the new SBS2008 box and none of them show as legacy mailboxes (i.e still on the 2003 box) but we have deleted the mailstore manually from the SBS2003 box and it still shows the same error.
Is there any way of finding out EXACTLY which mailboxes it thinks it has and also how to get rid of them ?

Thanks
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NetexpertsAsked:
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connectexCommented:
I'd recommend you use ldifde.exe to dump the AD contents. Then you'll be able to search it for references to your old SBS 2003.

This will dump all AD objects:
ldifde -f all_info.txt

This will dump only user objects:
ldifde -f users.txt -r "(objectClass=user)"

The msExchHomeServerName attribute holds the server for the user's mailbox location.

-Matt-
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NetexpertsAuthor Commented:
Do i run this on the new SBS2008 (as it also has the AD information) or doesn't it matter ?
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connectexCommented:
Assuming that you've successfully replicated it shouldn't matter which server console you run it from. Both should have the same content.

-Matt-
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NetexpertsAuthor Commented:
I ran it on the old SBS2003 server and it picked up the msExchHomeServerName entries but they all look like they point to the new server. I assume i should see at least one mailbox with the old 2003 server on it ?
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connectexCommented:
Is it possible that one or more users haven't used Outlook to sign on to their mailboxes yet? How long ago did you do the migration?

-Matt-
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NetexpertsAuthor Commented:
Only last week although all staff were in however would this affect disabled users as well ? we currently have 4 disabled accounts which i re-enabled to move across to the new server so they are on the new server but the mailboxes wouldn't have been logged into.
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connectexCommented:
I would logon on as theose four mailboxes and then retry the removal process.

-Matt-
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NetexpertsAuthor Commented:
sorry for the late post.
That appears to have worked.

Thanks
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