Need help to remove or delete a mailbox database that doesnt actually exist due to format

During a recent Exchange 2010 corrupted upgrade to SP2 I had to result to rebuilding a server and doing a DR install via the /m:recoverserver option.  Unfortunately, the drive that contained the Exchange installation files and DB files (D: Drive) was formatted during the reinstallation of the server.  What this resulted in is Exchange thinking that the default mailbox database and public folder database still exists on D:, which it does not.  I cannot remove either of these databases via the EMC.  

If a mailbox database and public folder database doesnt physically exist on the drive that Exchange thinks it does, how do you properly manually remove them?  Where is the EMC pulling it's data from that makes it think that these mailboxes exist on D:?  Is this coming from AD?  Do they just need to be deleted from AD via adsiedit or is that going to create a larger problem?

A second and side issue to this botched /recoverserver install is that this same machine is the bridgehead server for co-existence routing to 2003 and I fear that is not correct since all of the setup files from D were lost prior to running the /recoverserver.  Ultimately, I would like to move that role to the other Ex2010 box and do a clean uninstall and reinstall of Ex2010 on this corrupted machine.

Assistance please...
wpstechAsked:
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Shivkumar SharmaOperations Delivery ManagerCommented:
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wpstechAuthor Commented:
this is for changing the databases file location for an existing database.  As described above, the databases do not exist because the drive containing the Exchange setup files (D:) was formatted prior to the /recoverserver installation.  So, Exchange lists the databases when viewing in the EMC or the shell, but they do not exist.  

If I use the Shell to view a list of the arbitration mailboxes it shows them, but if I try to remove them it gives an error that the database doesnt exist.
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wpstechAuthor Commented:
I had to manually remove the databases via ADSIEDIT, then rebuild the server and reinstall Ex2010 fresh.  This appears to have resolved the issue.
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wpstechAuthor Commented:
please close this question
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