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Message: AADSTS50020: User account from identity provider 'live.com' does not exist in tenant 'Microsoft Services' and cannot access the application '2793995e-0a7d-40d7-bd35-6968ba142197'(My Apps) in that tenant. · Issue #57031 · MicrosoftDocs/azure ...
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Azure Active Directory Risky Sign-In Policy Blocks Guest Access to Office 365 Tenants - Office 365 for IT Pros
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