I cannot access my business email

Question

I cannot access my business email

Adil Ahmed 0

I cannot login to my business email because I set up two factor authentication. Unfortunately, I don't have access to my old business telephone but I still have access to the email I used to create my business microsoft account. Please can someone help me as I cannot find any way to contact an agent.

0 comments

2 answers

Your answer

Answer 1

Ask another Microsoft 365 administrator in your organization to require MFA re-registration for your account; if you are the only administrator, contact Microsoft business support and request recovery of a tenant locked by unavailable MFA.

If another administrator exists

Have an Authentication Administrator or appropriately privileged administrator:

Sign in to the Microsoft Entra admin center.
Go to Entra ID → Users.
Select your business account.
Select Authentication methods.
Select Require re-register MFA, then confirm.
Sign in again and register Microsoft Authenticator on your current phone, plus another permitted backup method.

This removes the registered phone numbers, Authenticator registrations, and software OATH tokens, then requires you to configure MFA again at sign-in. ^1^

If your company uses an external Microsoft 365 provider or IT consultant, ask whether they have delegated administrative access and can restore access for you.

If you are the only administrator

Use Microsoft’s support page, select the Work account section, and choose the customer-service number for your country or region: ^2^

When connected, state:

I am the only Global Administrator for a Microsoft 365 business tenant. I cannot pass MFA because the registered telephone is no longer available. I need a service request to recover access to the tenant and reset my authentication methods.

Microsoft may need to verify that you own or represent the tenant before restoring access. A directly matching Microsoft Q&A case advises requesting that the ticket be escalated to the Data Protection team when the only administrator is locked out by MFA. ^3^

About your recovery email

Access to the email address used when creating the business account does not necessarily satisfy its MFA challenge. In Microsoft Entra ID, an email authentication method can be used for self-service password reset, but not for authentication. ^1^

If the sign-in screen offers Other verification options, use any method that you previously registered. If it offers only the old telephone, the administrator-reset or sole-administrator support path above is required. Microsoft’s guidance for a lost or replaced phone is to contact the organization’s IT administrator. ^4^

After access is restored, register at least two allowed authentication methods and ensure the tenant has a separate emergency administrative recovery arrangement.

References

Answer 2

Hello @Adil Ahmed ,

I'm sorry to hear that your account is locked out.

I’d like to clarify that as a moderator, I do not have access to user sign-in logs, cannot reset MFA, revoke access, or contact Microsoft Support/Data Protection Team on your behalf. Please consider me an end user as well, providing guidance based on experience and documented processes.

Firstly, please try selecting "Use a different way to sign in" or "Sign in another way" on the sign-in page and use another available verification method, such as email or phone verification if possible.

User's image

If none of the registered authentication methods are accessible, you may need your Microsoft 365 administrator to reset your MFA registration so that you can set up Microsoft Authenticator again.

If you're an end-user, please reach out to your IT administrator/Microsoft 365 administrator and ask them to reset your MFA settings using the Microsoft Entra Admin Center.

If you haven’t yet reached out, here’s a helpful guide to locate your Microsoft 365 administrator: How do I find my Microsoft 365 admin? - Microsoft Support

Ask your administrator to follow these steps:

Go to Microsoft Entra Admin Center: https://entra.microsoft.com
Navigate to Entra ID > Users > All Users.
Select your user account.
Go to Authentication Methods.
Click "Require re-register multifactor authentication".

User's image

This will reset your MFA settings. The next time you sign in, you’ll be prompted to set up the Authenticator app again using a QR code.

If you are the only administrator in this tenant, you will need to contact the Microsoft Data Protection team, as they are the only group authorized and equipped with the necessary tools and verification procedures to confirm your identity and restore administrator access.

Please try to find the related hotline number to call the frontline and let them raise a ticket for you: Customer service phone numbers - Microsoft Support

Depending on your country or region:

For some countries, when calling the support number, although there are about 30 seconds opening as something "you can visit the link...." But you can ignore this opening and wait until the option, then "1" as a business email user, "1" again for technical help.

For some countries, it will be an automated conversation like:

First, when you call the hotline, it asks what kind of problem you are worried about.
Answered: authenticator.
A: What kind of product are you using?
B: Microsoft 365 for business.
A confirmation: education or company account?
B: For business
A: Are you an administrator?
B: Yes.
A: Do you have the other admin in your organization?
B: No.
A: You need one.... Service request?
B: Yes

Note:

You may need to call multiple times before you are connected to a live support representative and can successfully create a support request with a ticket number for tracking.

If your subscription is from a partner or reseller, contact the reseller's support provider to help open a service request on behalf of you instead.

If you encounter any difficulties in using the phone support, please feel free to let me know. I'll be happy to find another alternative method for you if available.

Kind Regards.