Tag Archives: entraid

Invite Guest users in a Entra ID Multi-tenant setup

March 9, 2026 · by · in App Service, Azure, Azure Key Vault, Microsoft Entra ID, OAuth2 · 1 Comment

This post looks at implementing a guest user invite in a cross tenant setup. This is useful when creating partner tenants using an Entra ID MAU license for all partner guests and members. This makes it possible to keep the home tenant separated for internal members. Setup The Partners or guest Entra ID tenant is […]

Implement a Microsoft Entra ID external authentication method using ASP.NET Core and OpenIddict

May 27, 2024 · by · in ASP.NET Core, Azure, dotnet, Microsoft Entra External ID, Microsoft Entra ID · 3 Comments

The article shows how to implement a Microsoft Entra ID external authentication method (EAM) using ASP.NET Core, OpenIddict and FIDO2/passkeys. The application using ASP.NET Core Identity to manage the accounts and the passkeys. Code: https://github.com/damienbod/MfaServer The following flow diagram from the Microsoft docs explains how EAM works. Refer to the documentation for a full explanation. […]

Securing Azure Functions using ME-ID JWT Bearer token authentication for user access tokens

September 24, 2020 · by · in .NET Core, App Service, ASP.NET Core, Azure, Azure functions, Microsoft Entra ID, OAuth2, Security · 10 Comments

This post shows how to implement OAuth security for an Azure Function using user-access JWT Bearer tokens created using Microsoft Entra ID and App registrations. A client web application implemented in ASP.NET Core is used to authenticate and the access token created for the identity is used to access the API implemented using Azure Functions. […]