Exchange Resource forest (2007) to new forest

I have a global client. They have 2 forests: and In, they have 2 exchange 2007 servers (1 in US and 1 Over seas). The users in are using LINKED mailboxes in (resource forest) and again don't have their own exchange server. All works great! The goals are:
1. Move to Exchange 2010
2. install Exchange 2010 in and moved linked mailboxes to their own forest.

Thoughts? Not used to working with resource forests... I have set them up but not migrated them...
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Alan CoxSr. Systems Engineer | Lead Microsoft CIE Qualified FacilitatorAsked:
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Larry LarmeuPrincipal ConsultantCommented:
You can do this pretty easily as long as the proper permissions are set by doing a Remote Mailbox Move Request within Exchange 2010.
Alan CoxSr. Systems Engineer | Lead Microsoft CIE Qualified FacilitatorAuthor Commented:
so should 1st forest be moved to 2010 first, or introduce a 2010 in 2nd forest and do remote move request?
Then moved linked mailboxes and connect them to users in the 2nd forest ( What about the disabled accounts in resource forest?
Larry LarmeuPrincipal ConsultantCommented:
You can do it either way - You can move the accounts across forest and across version if you use the -RemoteLegacy switch.  As far as disabled accounts, you just have to decide if you want to move those, leave them, or delete them.

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