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OneTechBeyond's avatar
OneTechBeyond
Iron Contributor
Mar 02, 2020

How do I confirm that Modern Authentication is enabled on my Microsoft 365 tenant?

I am currently running the latest Office 365 suite, on Windows 10 Business and using Outlook 365 (latest version). 

 

I have enabled MFA but I am still getting prompted to use an App Password to authenticate my Outlook 365/2019 desktop client, in order to connect to Exchange Online.  It was my understanding that with MFA enabled, and Modern Authentication, I would be prompted for Approval via a push notification from my MFA mobile app (Microsoft Authenticator), rather than having to use an App Password.

 

Am I understanding this correctly?   If so, what do I need to check to make sure that I have all the parts in place properly, for using Outlook 365/2019 with Exchange Online with Modern Authentication and not App Passwords?

Authentication
multi-factor authentication
office 365
outlook
security

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  • VasilMichev's avatar
    VasilMichev
    MVP
    Mar 03, 2020

    Enabling MFA does not equal enabling Modern authentication. Although the latter should be enabled for all tenants by now, I suggest you check the config just in case:

     

    Get-OrganizationConfig | select OAuth2ClientProfileEnabled

     

    And it might also be blocked client side via GPO/reg keys.

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