SMBKitchen: When to move email

For information about how to migrate email to another on-premises Exchange Server, see Integrate an On-Premises Exchange Server with Windows Server 2012 Essentials <>. We recommend that you set up the new on-premises Exchange Server after you install Windows Server 2012 R2 Essentials, and then finish the email migration before demoting the Source Server

So I’m confused.  I would think you’d want to move email FIRST before installing the Essentials server, not the other way around.  You see after you move the fsmo roles on your SBS box you start the 21 day countdown window starting and I would think it would make more sense to move your email first – either to premises server OR to cloud or Kerio or whatever and THEN you migrate the DCs.

Hang loose while I get clarification as to which step is next.

Blogging my way through a proof of concept migration from SBS 2008 to Essentials 2012 R2 series will be a SMB kitchen project whitepaper.  More about the SMBKitchen project at –

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