Disable MFA with only one global admin
I am facing a serious issue. I am running a small tenant with only one global admin (me) and 2 users. MFA is active for all accounts. However, after changing my Smartphone I can't get the Authenticator App work again. I used my personal Microsoft Account to backup and restore my business accounts. But in order to get the Authenticator to work I need a QR code from within Security center inside my account. Fair enough, but I can't login to my account without the Authenticator to get that QR code. I don't get the option to use phone number. And there is no other Administrator. I am locked out of my own tenant now and there is no way to get into it, because I need the Authenticator to get the Authenticator work, but can only reactivate the Authenticator with a working Authenticator. I am stuck.
Can anyone assist?
Thanks in advance
Sorry to hear that, best option is top open a support ticket here in case you can not log into the portal: https://aka.ms/AzurePortalHelp
When this is resolved, I recommend to apply additional best practices, like ensuring global admin has at least two different MFA methods configured (Phone + App, or even multiple Apps) so situations like these can be avoid. Also you can think about setting up an emergency admin account that is not used for day-to-day work that can be used to log in (either without MFA configured so can register MFA the first time you are using this, or again with multiple MFA methods).
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