From the GP team comes news that Business Portal 5.1 SP3 has released.
This release add SQL Server 2012 compatibility to Business Portal for GP 2010.
Business Portal 5.1 SP3 has released! – 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.