Sole admin of tenant, have lost access to the authenticator app and unable to login azure portal

Hi @Nandhini Velu · Welcome to QnA platform and thank you for reaching out.

The recommendation is to always keep break-glass admin account, by excluding one or more global admins so that you can revert the settings. However, if you forgot to keep a breakglass account, the only option is to open a support ticket to get Microsoft Data Protection team engaged for this issue. If you are unable to sign into your tenant, you can use any other tenant or signup for a new one to open a support ticket.

After providing required information and evidence to prove the company ownership on the subscription, they can help you with providing admin access to your tenant.

-----------------------------------------------------------------------------------------------------------

Please "Accept the answer" if the information helped you. This will help us and others in the community as well.

Hello, had the same problem.

What you need to do, to be able to login to your home tenant, is just add the domain name (onmicrosoft.com or main one if set):

https://portal.azure.com/{your tenant}

eg. https://portal.azure.com/contoso.com or
https://portal.azure.com/contoso.onmicrosoft.com

Hope that helps!

Hi @Nandhini Velu

Refer the below URL, if this helps your request.

Change your two-factor verification method and settings

To setup QR verification on the mobile, follow the below steps

1. Sign in to https://myapps.microsoft.com using your azure ID.
2. Select your account name in the top right, then select profile
3. Select additional security verification
   
4. Add a new account to the Microsoft authenticator app – follow steps from the below URL
   https://learn.microsoft.com/en-us/azure/active-directory/user-help/multi-factor-authentication-end-user-manage-settings

If the Answer is helpful, please click Accept Answer and up-vote, this can be beneficial to other community members.

We have been facing the same issue for the last five days; the support doesn't understand how critical this issue is. As a result, we are unable to access our DevOps, Emails, Azure subscription. More strangely, the MFA has never been set up on our subscription.

Now I'm spending my time trying to convince MS support how critical the situation is :(.

I appreciate any help you can provide.

We have the same problem, which is quite frustrating.

i created a B2C domain on side of our Azure active directory for testing. at this B2C domain i am the only admin and user , also domain is with MFA active. By switching Phone i lost Authedicator App. Now i cannot log in to this Domain. it's OK. but I can log in to the my Azure active directory no problem at all.

But huge problem is at on Visual Studio, when i want to connect a service from Azure, always ask me the MFA by logging, but i do not have any MFA on my orginal Azure Active Directory, always link to the B2C domain MFA, very frustrating.

I do not need to logging with B2C domain, any Suggestion instead of Ticket!?