I have a SharePoint 2013 server set up to use FBA through active directory. I've set up the claims providers following Microsoft guidelines from TechNet Blog
On a site collection using SharePoint 2013 experience, the people picker works correctly. AD accounts show up under the
Active Directory category, and Forms Authentication accounts show up under
However, on sites running Sharepoint 2010 compatibility, both accounts will show up under
I am guessing that the configuration is a little different for 2010 compatibility, however, I have been unsuccessful in my search for any documentation, any ideas?