Azure Active Directory B2C for .NET Developers [2025]

Learn how to authenticate API and .NET Web Application with Azure Active Directory B2C (external logins)

Azure has lots to offer but when it comes to securing application one thing that stands out is Azure Active Directory B2C. It is one of the buzz words with azure that is often misunderstood or misconfigured. In this course we will learn the basics of Azure Active Directory B2C (AD B2C)

There are many courses online which will teach you basics of Azure and what Azure AD B2C is, but there are very few to none that comes close to actually implementing and consuming Azure AD B2C. That will be the main focus of this course.

When you’re finished with this course, you’ll have the skills and knowledge of Azure AD B2C needed to allow anybody to sign-in to your applications and then manage those users.

Throughout the course we will

• Create B2C tenant and register applications

• Consume Azure B2C in a .NET MVC application

• User flows in azure B2C

• Add B2C authentication using AddMicrosoftIdentityWebApp

• Custom properties in user flows

• Customize consuming B2C using OpenIdConnect in .NET

• Secure API using azure B2C

• Single Sign-On

• Deploying applications to Azure

• Common errors and edge cases

This course will take you through the basics and give you a solid foundation in Azure Active Directory B2C to implement authentication in your .NET Applications.