Exchange 2007 - 2010 Upgrade

Could anybody point to any good walkthrough information / articles regarding the upgrade of Exchange 2007 to 2010?

We're looking to upgrade shortly, so just wanted to capture any key steps.
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Bear in mind that you cannot do an in-place upgrade from 2007 to 2010. If you follow these guides you won't go too far wrong :)

Very dry MS Technet article here:

Much more readable post here:

Short checklist here:
Haresh NikumbhSr. Tech leadCommented:
Very good guide by Paul Cunningham

Exchange Server 2007 to 2010 Migration Guide

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HypervizorAuthor Commented:
Thanks both.

Can I install an Exchange 2010 server which will sit alongside the existing Exchange 2007 server?

Is the same also possible for Exchange 2007 and 2013 coexisting?
Both scenarios allow the servers to coexist. This is a recent change on the part of 2013, it did not ship with that capability. It has always been OK for 2007-2010.
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