Exchange 2010 Re Install

Quick History, I took over a client who was using gmail, they originally had exchange 2010 that crashed, they restored some mailboxes and migrated to GMAIL. 2 years I am moving this group back to exchange 2010. I have exchange installed and removed the old server. New users work fine but once I installed exchange it brought over current users. When I go to those mailboxes I get two errors..  They are attached.  I would like to remove and re add those existing users in exchange, if by deleting them will it delete them in the active directory?
kevin taylorAsked:
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kevin taylorAuthor Commented:
first error
ss1.png
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kevin taylorAuthor Commented:
second error
ss2.png
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kevin taylorAuthor Commented:
Ok, it seems that the existing users that auto generated into the new exchange server were not assigned or in the new database..

set-mailbox <user> -database <valid database name>  did the trick  FYI for anyone else who runs into this...
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kevin taylorAuthor Commented:
KEWL
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