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Getting MailboxNotEnabledForRESTAPI - no clue why

Katharina Irrgang 101 Reputation points
2021-03-13T12:02:34.137+00:00

I have created a ms account yesterday. And I have created an azure app. I am the owner. I am always getting MailboxNotEnabledForRESTAPI. But why? Using the graph API /me/calendars. /me query works though Grant Permissions are correct. Graph Explorer shows the same error. I even paid for office 365 subscription, because I though this might be the cause. I have read the docs about MailboxNotEnabledForRESTAPI. The docs confuse me a lot. I'd appreciate an explanation of why this is happening to me.

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. Katharina Irrgang 101 Reputation points
    2021-03-13T13:55:38.677+00:00

    I have solved it by re-creating the app as "multi tenant with personal ms accounts".

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