Authenticator is not letting me sign into my microsoft work account

Question

Authenticator is not letting me sign into my microsoft work account

Joni Wilm 5

I can't sign into my work account. Authenticator is not working. I need immediate assistance please.

Moved from: Microsoft Security | Microsoft Authenticator

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Answer 1

Jade Ng 14,780 Microsoft External Staff Moderator

Dear @Joni Wilm,

I’m very sorry for the inconvenience you’ve experienced, based on the details you shared. There is something I need to confirm with you is: Are you an admin or an end user?

If you are using a work account, I would recommend you contact your IT Admin to reset your MFA settings through the Microsoft Entra Admin Center. Ask your administrator to follow these steps:

Sign in to the entra.microsoft.com as at least one Authentication Administrator.
Select User > All user. Select the user (your account) to act on and select Authentication methods then select Require re-register of multi-factor authentication.

Require re-register MFA: This disables all previous authentication methods. You'll then be prompted to configure a new MFA authentication method the next time you try to sign in, so you can set up from the start and add a new authenticator app.

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For step-by-step details, see the official Microsoft documentation: Manage authentication methods for Microsoft Entra multi-factor authentication - Microsoft Entra ID | Microsoft Learn

If you’re unsure who the Global Admin is within your school account's organization, you can find guidance on locating them here: How do I find my Microsoft 365 admin? - Microsoft Support

Note: Once re-registration is triggered, all your existing MFA methods such as phone numbers, Authenticator app, or other verification options will be removed. You will need to set up new MFA methods during your next login. Please ensure you have access to a valid phone number or the Microsoft Authenticator app before attempting to sign in again.

Please feel free to contact me if you are an admin. I appreciate your patience, and I am here to help. Looking forward to your response!

Joni Wilm 5 Reputation points

2026-08-04T00:18:26.5066667+00:00

Jade I don't have an IT adminstrator. I am a solo business. I tried to sign in but it makes me use authenticator and I can't even sign in to do this.
Joni Wilm 5 Reputation points

2026-08-04T00:26:04.0333333+00:00

Jade, it still asks me to sign in using authenticator which is not working. there is no way for me to get into entra to chnage this.
Jade Ng 14,780 Reputation points Microsoft External Staff Moderator

2026-08-04T01:57:41.3033333+00:00
Dear @Joni Wilm,

I understand the difficulty and thank you for clarifying that you are a solo business with no separate IT administrator.

Since you are the only user in the tenant and are locked out because MFA verification cannot be completed, this issue cannot be resolved directly from within the tenant. Unfortunately, there is no tenant-side option available once access to the administrator account has been lost.

In this case, the recommended next step is to contact Data Protection team. The support team will guide you through the account ownership verification process and, if the verification is successful, help restore access to the administrator account.

For a full list of regional numbers, you can also visit this official page: Customer service phone numbers - Microsoft Support. The support team will assist you as soon as possible.

If you can reach Microsoft by phone, use the official Global Customer Service phone numbers list. Choose your region > your country > if your country lines fail or lack English support, select a nearby country or the United States number, Microsoft explicitly allows this.

If you have difficulty reaching an agent by phone, there is a reliable workaround. This involves creating a new, temporary Microsoft 365 account to contact the support team online.

1.Visit the Microsoft 365 Enterprise Plans page: Go to Compare Office 365 Enterprise Pricing and Plans | Microsoft 365.

2.Choose a plan and start a free trial: Select any of the available plans and click "Try for free" to begin the trial setup process.

3.Follow the guided setup: Complete the steps to create a new Microsoft account and a new tenant. This will be a separate and independent Microsoft 365 environment.

4.Access the Microsoft 365 Admin Center: Once the new tenant is created, navigate to https://admin.microsoft.com/AdminPortal/Home#/homepage

5.Go to Support: In the left-hand navigation menu, click on "Support" and then "Help & support."

6.Raise a support ticket: Describe your issue in detail. Crucially, you must clearly state that you are locked out of a different, pre-existing Microsoft 365 tenant where you are the administrator. Provide the following information about your locked account:

Your administrator account email address for the tenant.

The domain name of your tenant

Any error messages you are receiving.

Details about the issues you are experiencing

Confirmation that you are the administrator of the tenant.

7.Submit your ticket:

Follow the prompts to submit your support request. You will likely receive a ticket number for tracking.

Important notes:

This new trial tenant will not give you access to any of the data or settings in your original locked tenant. It is solely a temporary means to contact Microsoft support.

Be prepared for Microsoft support to ask for verification of your identity and administrative rights for the locked tenant.

The resolution time might be longer as you are contacting support from a different tenant.

Remember to cancel the trial subscription for the new tenant once your issue with the original account is resolved to avoid any unintended charges. You can typically do this within the Microsoft 365 Admin Center under "Billing" > "Your products."

I hope these steps will help resolve your issue. If you need further assistance, I am always here to help.

Thank you for your patience and understanding. I appreciate your continued trust. Hope you having a nice day and really much warm regards to you as well!