How to set your MSAL.js app up to automatically sign-in if you already have a session signed in on another tab

Our MSAL.js sample is an excellent example for using MSAL in a javascript page. However, it only demonstrates logging in by clicking on a button. If you’re launching your app from myapps portal or are otherwise already logged into the portal with the browser, it would make sense to just use that session to perform your sign-in for your MSAL app without requiring the button click. This is actually easily…

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Infinite sign in loop between MVC application and Azure AD

In a previous post I talked about an infinite redirect loop issue between an MVC application and Azure AD when performing sign in. In this post, we will look at another scenario which can lead to the same type of problem. Background Applications running an old version of OWIN middleware can run into this issue because of a known Katana bug. Due to a cookie mismanagement issue in the old…

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How to acquire bearer token non-interactively with a federated user

You are looking for a way to acquire an access token from Azure Active Directory without user interaction. We highly recommended to always use an interactive user sign-in experience as this is the most secured method. Especially when your organization has conditional access policies which require Multi-Factor Authentication. If at all possible, please use the methods for interactive sign-in. Here are some general guidance on how to non-interactively acquire a…

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