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

Michelle Best 20 Reputation points

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.
5,457 questions
0 comments No comments
{count} votes

Accepted answer
  1. Michael Durkan 12,146 Reputation points MVP


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

    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,


    Michael Durkan

    • If the reply was helpful please upvote and/or accept as answer as this helps others in the community with similar questions. Thanks!
    1 person found this answer helpful.

1 additional answer

Sort by: Most helpful
  1. Michelle Best 20 Reputation points

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

    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!

    0 comments No comments