How to access M365 tenant if the only admin account has lost his phone and had MFA enabled

Michelle Best 20 Reputation points
2023-03-01T13:57:43.3566667+00:00

The Tenant has only one user with adminrole and this account cannot longer access because MFA was enabled and he lost his phone.

Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
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  1. Michael Durkan 12,146 Reputation points MVP
    2023-03-01T14:06:31.7866667+00:00

    Hi

    I would suggest raising a ticket using your local number from one of the Global Support numbers listed here:

    https://support.microsoft.com/en-us/topic/global-customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2

    They may be able to reset your Auth methods to allow you to login again and reset. You will need to provide proof that you are the owner of the Subscription.

    Hope this helps,

    Thanks

    Michael Durkan

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  1. Michelle Best 20 Reputation points
    2023-03-01T15:08:12.35+00:00

    Yes that was very helpful, because the numbers on the german site:

    https://learn.microsoft.com/de-de/microsoft-365/admin/support-contact-info?view=o365-worldwide#germany

    We cannot reach anyone and after 2 1/2 hours the call was canceled.

    An the number on your site for germany we can reach out someone in 15 minutes and get help in the next 2 hours.

    Thank you!

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