migration tool
Question asked by Robbie Wright - September 17, 2014 at 2:08 PM
Answered
Can you run it more than once on a given mailbox? Will it blindingly dump the old mailbox into the new mailbox again duplicating items? Or does it compare message ID or something and only move things it hasn't moved before?

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Migration works by contacting the other server, downloading all the emails from the other server into a temporary location. Once all messages are downloaded, it will then dump them into the appropriate folder location. If you have identical emails, they will be duplicated. If you run it more then once, you will have duplicates. 
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Thanks Ricky. That was the answer I was looking for, just not the one I was hoping for!
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Tim DeMeza Replied
I have to be honest, we have been attempting to migrate 10 users from exchange 2010 without success (off and on for about two months).  The tool will migrate small mailboxes, ie under 300MB or so (not sure of the exact size, but not large mailboxes for sure), but you get into multiple GB and it does not work at all.  In fact, I cannot ever tell if it does anything. 
 
There should be some UI feedback that indicates that the migrations are X% complete.  Or anything.  I cannot find any error logs to show why it is not working (even though it will tell you there are migrations in process.)  I am really really frustrated.  For all the good things that smarter tools has, migration is a really weak point and for those of us acquiring new companies it's a mission critical piece that should be developed as one.  Just my .02 cents for anyone else out there that may not be able to get it to work.  And before you respond with other methods such as imap...  That is not a no touch migration like our users and owners expect. 
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Yeah Tim, we've given up on it to. Pay for Migration Wiz. Gotta pay but it works great.
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I don't know about exchange as I haven't had experience migrating them. I do have lots of experience in migrating IMAP accounts into smartermail. I've migrated multiple 5+gb accounts from multiple domains with out a hitch. Do you have the Mailbox Importing set to Detailed in your log settings? If its failing or stopping it should tell you why in the logs. If you don't turn it up from exceptions only you might miss some information.
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Tim DeMeza Replied
Robbie, what is the Migration Wizard? Is it an add on by Smarter Tools? Or a third party component? Thanks,
Tim
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Third party tool.

https://www.bittitan.com/products#migrationwiz
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Michael Hart Replied
You would think that SmarterTools would want to provide an excellent migration tool to assist in selling their product. I have 2 clients that are looking for an Exchange alternative, but email is VERY critical to their business flow.

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