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UPGRADE EXCHANGE 2003 TO EXCHANGE 2010

Dear All,

I’m planning to upgrade my exchange 2003 environment to exchange 2010; I need a way to allow users accessing their emails through OWA and Outlook anywhere while doing the mailboxes movement since that will take a long time.
I’m planning to install and configure a new TMG 2010 array to publish exchange 2010 environment through it, so what are the recommended solution for that?

THANKS
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ACS2012
Asked:
ACS2012
1 Solution
 
Justin YeungCommented:
it is a offline move there isn't any way to access the mailbox while the mailbox is moving.
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Stelian StanCommented:
You need to migrate the users off hours because the mailbox is disconnected during the move. You can move a few users at the time in that case only those users have no access to the mailbox.
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ACS2012Author Commented:
i'm taking about publishing OWA, ActiveSync and outlook anywhere from outside, that's the point which I need.
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Jamie McKillopCommented:
Hello,

The first step is to transition all inbound traffic from your Exchange 2003 front-end to your Exchange 2010 CAS array. This will ensure a seamless transition when you move mailboxes. The details on how to do this can be found here - http://blogs.technet.com/b/exchange/archive/2009/11/20/3408856.aspx

JJ
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