2FA: Mobile phone not accessible anymore

Philipp Dressler 0

Business Admin Console

I cannot login in my business account, because 2FA is needed. Unfortunately, the smartphone connected to the account is not usable anymore. Now, I cannot login into my Teams account nor the Admin console from Microsoft.

I also can get in contact with Business Support because I can't login in my account, which is necessary for that. Help is appreciated!

1 answer

Robin Sheng-MSFT 2,575 Reputation points Microsoft Vendor

2024-08-21T01:39:07.4366667+00:00

Hi @Philipp Dressler

If you are the only administrator in your tenant and have not set up another verification method, please contact product support using the affected user's email address, https://azure.microsoft.com/en-us/support/create-ticket. Or call technical support and have them help you unlock the account. See Global Customer Service phone numbers.

Thanks for your understanding and support.

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Philipp Dressler 0 Reputation points

2024-08-21T06:40:16.8+00:00

Hello @Robin Sheng-MSFT , thanks for your feedback.

I already tried technical support, but always was rejected by the computer voice before I could talk to any human being.

I would like to create product support with the link you shared, but this requires me to log in into my account, which i cannot (as described). Any idea how to continue?

Robin Sheng-MSFT 2,575 Reputation points Microsoft Vendor

2024-08-22T02:00:17.1633333+00:00

Hi @Philipp Dressler

If you have set up other verification methods besides Authenticator (such as phone verification, SMS verification)-you can usually see a "Sign in with other methods" link on the login screen, please click to verify with other verification methods. Once the verification is successful, go to the "Other security verification" page, turn off Authenticator, and re-enable it later, see Change your two-step verification method and settings.

If you have only Authenticator set as the verification method and you are the only administrator in your tenant, you must call technical support and have them help you unlock your account. View phone support.

Thanks for your understanding and support.

Robin Sheng-MSFT 2,575 Reputation points Microsoft Vendor

2024-08-26T02:55:57.85+00:00

Hi @Philipp Dressler

I am checking the status of this case. Please let us know if you would like further assistance.

Meanwhile, if the reply is helpful to you, please try to mark it as an answer to help others who encounter the same issue and read this thread.

Thank you for your understanding and patience!
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2FA: Mobile phone not accessible anymore

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