In this article, I will give a step-by-step walk through of the process for configuring SharePoint 2016 Forms Based Authentication “out of the box” without an add-on such as Extranet Collaboration Manager (ExCM). Doing this will also allow us to highlight the limitations of a “basic” SharePoint FBA web application that can be overcome with a professional-grade add-on like ExCM.
Note: For configuring forms based authentication in SharePoint 2013 go here.
In the screenshots below, you can see the changes we need to make to begin configuring FBA:
