Migrate Exchange mail store from 2003 to 2010

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ASKER

Ok Thanks for the pointers, I did think as much, we were considering forest trusts between the domains etc but I think this is additionaly work.
I read the exmerge has 2gb limitation on mailboxes is this correct?

Yes it does, you can make multiple passes using filters though as explained in my guide.

ASKER

Hmmm it could be messy trying to guess how to filter a 7GB mailbox, could take hours, who knows how much data is in which date range? Is there any 3rd party products that can be purchased that will allow export to PST for mailboxes greater than 2gb?

ASKER

Maybe I can create a forest trust and move mailboxes between the 2 exchange servers?

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lucid8

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In fairness to lucid8 I did ask if there were any 3rd party products that could assist in this process as I am struggling to find another solution at the moment.

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