Cannot sign in to Microsoft Authenticator, as an Admin

Jack Fejer 10 Reputation points
2025-12-29T15:36:08.5766667+00:00

Hi there,

I am an operator of a business and run the admin account. Randomly, was asked to re-sign in on my Authenticator App on my iPhone. However, this is the only device I used for authentication. When attempting to sign in, in the Authenticator App, am asked for a code from my Authenticator App. I am given no other methods of verification after many attempts.

Therefore, an infinite loop. I have been signed out of all previous sessions. I am currently unable to sign in to my admin account or individual work account because of this issue, and am actively paying for these services. I have filed a ticket on the automated support line; however cannot access my email to follow up.

Looking for anyone who can help with this.

Microsoft Security | Microsoft Authenticator
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