we migrated all our exchange 2007 mailboxes to exchange 2010. the problem is that the database size on 2007 is 143GB and we made 5 databases on exchange 2010 and migrated the users to their respective mailbox databases on 2010 and then when i add up the 5 database sizes on 2010 and they are not the same total size as the DB on 2007. WHY???
wheni was doing the migration i received no errors on the migration at all.
what is going on?
on the 2007 we had 43GB of white space so that would leave 100GB for mail but after we migrated all the mailboxes to 2010 the 5 databases add up to only about 50GB.
what is going on and how do i check to make sure that all mail transfered over?
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