Forum Discussion
Authenticator app issue
I am trying to log into Outlook and Teams on my iphone. When I try to enter in Username & PW, I get forced to open authenticator app, which asks for the same log in details I try to enter into Teams ...
Revoke and Reassign MFA
Attempt to revoke the existing Multi-Factor Authentication (MFA) settings and then reassign them.
Before proceeding, ensure that the authenticator app on your mobile device is updated to the latest version.
Remove the current authenticator setup and clear cache data from the app.
Alternative Authentication Method
Log in to your Microsoft 365 account from a computer.
Navigate to the account security settings and add an alternative authentication method, such as SMS or email.
Set this alternative method as the default for two-factor authentication.