I cannot insert a Microsoft Account to our Testflight customer group

Tanja Sorg 0 Reputation points
2025-11-26T07:12:07.8566667+00:00

We have an UWP App for testflight and yesterday I wanted to insert a new Microsoft Account, but all is inactive. There is a message box, that I have to sign in although I am already signed in. When I klick on Sign In then nothing happens. an when I choose another Menu then sometimes I can see the following message in the background of the site:

The session has ended. Please log in again.

I have already deleted all cookies and the browser cache.

Microsoft Partner Center API
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