Upgrade Path 2008 R2 to 2012 R2

I am looking for a template with steps to upgrade Server 2008R2 to Server2012R2. Less than 10 Servers. 2 DCs, Very basic straightforward environment. Typical File, Printer, Database Servers plus Exchange 2010. One Host Server with 3 HyperV Guests. As usual, my anticipated gracias if you can throw me a hand on this one.
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Cliff GaliherCommented:
Well, every environment is different. Even simple ones. So here is a rough template.

1) Audit every server's (including VMs) installed roles and applications.

2) With a complete inventory of software, investigate each component. Migrating a file server is very different than migrating QuickBooks!

3) Decide which hardware will be reused, and which will need replacing.

4) priorities your migration plans from highest priority roles to lowest. Again, this is unique. If you were going to retire two severs who's warranties have already expired and virtualize their workloads onto one new server, they might PE prioritized higher since the old hardware is already out of warranty.

5) Migrate one (and only one!) role at a time following the research you did in the previous steps.

As long as you've done the appropriate research, prioritized properly, and don't overwhelm yourself by trying to migrate multiple things at once (is the network slow because of the exchange migration or did I screw up moving the file server?? Who knows!!), you can have a successful and smooth migration.

By as illustrated above, even simple environments are unique because of choices regarding virtualizing, age of hardware, common "simple" apps, and more. It is impossible to be more detailed given such a broad project scope.

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Seth SimmonsSr. Systems AdministratorCommented:
exchange 2010 is not supported on 2012 R2 so either use 2012 or upgrade to exchange 2013 on the 2012 R2 server

what database application? sql?

Introducing the first Windows Server 2012 Domain Controller (Part 1 of 2)
eplestinoAuthor Commented:
Thank you Cliff and Seth for your replies and your suggestions.

I do have a correction to make to my question. I am  upgrading from Server Small Business Server 2008, which runs AD and and Exchange on the same server.

I will be upgrading to Exchange 2013 as well.

Thank again for your input and suggestions. I will make your checklist and follow on your link for Introducing the first Windows Server 2012 Domain Controller (Part 1 of 2)

I will keep you posted on the progress of this adventure.
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