Mariano looks at Microsoft Dynamics GP 2013 R2 Installation: Utilities changes. I keep meaning to write about this. I have some real concerns with this approach.
The Dynamics GP Blogster: Microsoft Dynamics GP 2013 R2 Installation: Utilities changes
Install, Upgrade & AdminGP 2013
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.