Thursday, August 22, 2024

Microsoft Azure - enable MFA - multi-factor authentication

Microsoft has sent an email asking Azure admins to enable MFA - multi-factor authentication - for all users of the Azure portal (and Entra, and Intune admin panels).

https://learn.microsoft.com/en-us/entra/identity/authentication/concept-mandatory-multifactor-authentication

But in the document above, they don't give a direct link to enable MFA, nor a direct link to enforce MFA. Probably because there are multiple ways to do it.

After a lot of searches, found the following. First we have to add sign-in methods for the MFA, then we can enable MFA.

Going to portal.azure.com
Home > Users > (my username) > Manage > Authentication methods
came to

https://mysignins.microsoft.com/security-info
 

Here, we can choose "Add sign in method" to add SMS, phone call, Microsoft Authenticator app or "Other authenticator app" like Google Authenticator which uses TOTP (time-based one-time password).

Then to enable or enforce 2FA (two-factor authentication) for admin users, we can go to portal.azure.com
(Just a note: Azure Entra ID is the new name for Azure Active Directory for translating from old tutorials.)

Users > Per user MFA (button on top of the page) > (which redirects to the page https://account.activedirectory.windowsazure.com/usermanagement/multifactorverification.aspx?tenantId=theRelevantTenantID for "legacy experience")

choose the relevant username, and then choose the "Enable" link on the right-hand pane. Confirm that you want to enable MFA for that user, then you are done.

If not "legacy experience", then the per user MFA page has a different look - with buttons to enable, disable or enforce MFA for the selected users, and also User MFA settings:


 

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