Why is my Authority string literal getting mangled with duplication during AD B2C authentication?

Thomas Woods 0 Reputation points
2025-03-04T01:52:35.4666667+00:00

My Authority string literal is getting internal duplication causing a IDX20803 failure. I have used the URL string in the browser and successfully retrieved claims. I set that string in my Blazor web server application using Microsoft.Identity.Web/Microsoft.Identity.Client latest versions. I am blocked and cannot move forward because I can't get a user authenticated. This is really bad. The string should not be touched!

Microsoft Identity Manager
Microsoft Identity Manager
A family of Microsoft products that manage a user's digital identity using identity synchronization, certificate management, and user provisioning.
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