"Cannot access the application in the tenant" when trying to log in for Microsoft 365

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Posted on by Beatrix Willius

I'm a developer of an app that archives emails on macOS and I want to add support for Microsoft 365. I set up my app on the Azure portal. Then I got an account on the developer sandbox. However, when I try to log in I get an error:

The app should allow "all tenants":

What do I need to change where?

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Beatrix Willius 5 on at

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Some screenshots from the Azure portal:

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Eiken on at

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Hi,

Please check the problem with the following link

Error AADSTS50020 - User account from identity provider does not exist in tenant - Active Directory | Microsoft Learn

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Beatrix Willius 5 on at

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Hi,

thanks for the link. I now can use one of my developer users for testing after adding the user directly.

However, I can't use a random user to my public facing app. I tried with AdeleV@3zp7xq.onmicrosoft.com and I got the same error messages again.

What do I need to change in the options for my app to make this work for all users?

Regards

Beatrix Willius

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