Wow, I’m offline for a day with meetings and travel and my inbox is full and there are GP blog posts everywhere. Let’s start with Jay Manley and a look at Dynamics GP 2010 R2 64-bit Hyper-V FAQs
Dynamics GP 2010 R2 64-bit Hyper-V FAQs – Inside Microsoft Dynamics GP
Off-Topic & MiscellaneousGP 2010
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.