Adding OpenID Connect/OAuth authentication to a modern Web application can be hard. The authentication protocols are not simple. And some of the quirks of Entra ID don't make it any easier.

In this presentation, we will walk through what happens when you authenticate to a Web application using Entra ID authentication. Then we will add Entra ID authentication to a front-end single page application and its back-end API.
We will look at how to configure the Microsoft authentication libraries on both ends and what the critical settings are.