we have a single domain single exchange2007 server.
i want to setup a exchange2010 environment next to it (coinstallation). i am planning for 2 cas (lb) and 2 mailserver (dag). i want a full description of all steps what needs to be taken to get the new setup going. once all mailboxes have been transfered, 07 will be tunred off.
please outline all steps of the plan.