I was able to pull out users "use IS defaults" flag using header.exe and doing an export with the admin tool. We are using Quests Exchange Migration tool, it works excellently. The problem we are running into is we have a lot of common mailboxes that different departments share between users. If a shared mailbox is on 5.5 and one of the users is migrated, they of course can't use the mailbox until the mailbox and all users have been migrated. I'm trying to decide if it wouldn't be easier to convert the shared mailboxes to public folder. If I could do that, the Quest tool does a two way synchronization of public folders. I don't know why the old Exchange admin created mailboxes for these groups in the first place, unless you can operate in a mailbox differently than a public folder in exchange 5.5.
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I could have made a neat retort but didn't, for I was flurried and didn't think of it till I was downstairs.
-Mark Twain
