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SBS 2011 to Server 2012 Essentials using same hardware

Alan Bateman
Alan Bateman asked
Last Modified: 2015-11-04
I would like to 'upgrade' an SBS 2011 server to run Server 2012 R2 Essentials (with 365 Online Exchange).  We do not want to change the hardware which is more than adequate to run the new setup. But how do I 'upgrade' ? The only documentation I can find refers to a migration involving having your old server and your new server both online for a 21 day period while you move roles and data from one to the other.  But I only have one physical server.  Does anyone have a detailed methodology perhaps involving a temporary swing server and a migration to it and then back from it.  If I restored an image of my current server onto a 'swing' server what ewlse would I need to do to it to get it to boot alongside its 'clone' in my domain.  Need some guidance. Thanks.
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