AdalException : authentication_ui_failed with ADAL and Xamarin Forms Android

Developer Support

In this post, Premier Developer Consultant Joe Healy identifies a possible error you may get when working with an Android project on Xamarin Forms. Read about his discovery and eventual solution to fix the SSL/TLS implementation issue.

Recently, I was helping a client with an Azure Active Directory integrated project (ADAL not MSAL for some various reasons). All was going well as I plugged away with the various integration pieces. We were targeting Xamarin Forms on this project. Luckily, there was a great blog post by Mayur here for us to follow.

Typically, I will start with UWP as a ‘sanity check’ to make sure things are working right. I provisioned up my Xamarin UWP project and had it running smoothly with no problems. My iOS project also worked smoothly, authenticating against my test O365 environment like a champ.

Read more of Joe’s post here.


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