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SPFX call gets error "interaction required" after turning on function's System Assigned Identity
I have an spfx web part that is connected an Azure Function. All was working until I turned on the System Assigned Identity for the function. Below is my configuration while it was working: Function...
Just for future reference, I plugged in the ID for the old SharePoint Online Client Extensibility Web Application Principal in the allowed client application and the function began to work again. I thought this identity was no longer used since March 2025.