GPUG Summit 2015 will focus on immediate user needs and also help them prepare for the future of Microsoft Dynamics GP cloud and mobility architecture
From MSDW: GPUG Director: Microsoft Dynamics GP Is Different and So is the GPUG Summit
GPUG Director: Microsoft Dynamics GP Is Different and So is the GPUG Summit – MSDynamicsWorld.com
Archived post from 2015. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.