Federated authentication mechanism handles authentication by external providers which send the token back to SharePoint. So, Instead of we, creating accounts internally (in AD, SQL Server) for external users and partners, We can make use of external authentication providers like Microsoft Live ID Accounts, Google, Yahoo, Facebook accounts (or even external Active Directory – ADFS ) to manage authentication. Its extremely useful with public facing SharePoint sites, isn’t it?
This article walks through step by step on integrating Windows Live ID, Google and Facebook account authentications with SharePoint 2013.
To start with, Here are the steps in summary:
- We need Windows Azure ACS (Access Control Service) as our Trusted Identity provider. Subscribe and get one.
- Add new Identity Provider for SharePoint 2013 with PowerShell.
- Authorize users by granting them access to the web application.