I have a Multi Factor Authentication Issue and cannot access my Microsoft 365 Business Basic Account - I am the only member of my organisation.

David Leather 0 Reputation points
2026-09-16T16:58:24.1566667+00:00

I am trying to log into my Microsoft business account but cannot do so because I need access to the Microsoft Authenticator.

I no longer have access to the phone on which the authenticator was enabled for the account.

I have downloaded the authenticator onto my new phone but to add the account I need a code from the authenticator ie 1 am in a loop and I am not being offered an alternative way of receiving the code or authenticating my account.

I am the only member of the organisation so there is no separate administrator who can support the account verification.

I have used the UK Microsoft contact telephone number multiple times to try to resolve this, but every call has been terminated by Microsoft part way through my answers.

To resolve this I need to engage the Data Protection team via a support ticket to unblock my access please.

Microsoft 365 and Office | Subscription, account, billing | For business | Other
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  1. Jay1 Tran 1,125 Reputation points Independent Advisor
    2026-09-16T17:25:35.87+00:00

    Hi David,

    I hope you're doing well.

    I’m truly sorry to hear that you’re currently unable to sign in. Since your account is the only admin account and you still cannot reach a live agent when calling your regional hotline, there is still a workaround, you might consider registering for a new tenant by signing up for a trial subscription.

    To set up a new tenant, please follow these steps:

    This would allow you to create a new tenant following the prompts provided. Once set up, you can access the admin console of the new tenant and submit a support ticket requesting to speak with the Data Protection team on behalf of your previous tenant.

    • Follow the guided setup process to create a new account for a new tenant.
    • Once your tenant is created, you should be able to access the support portal and submit your ticket referencing your locked account without further issues.
    • In your ticket description, you'll need to clearly explain that you're trying to regain access to your previous Microsoft 365 tenant and need help from the Data Protection team. Here's a message you can use or adapt:

    "Hello, I’m currently unable to access my previous Microsoft 365 tenant due to losing MFA access, which prevents me from receiving verification codes. I’m the global admin, but I’m locked out and unable to generate a QR code or bypass MFA.

    I created this new tenant solely to request assistance. I kindly ask to be connected with the Data Protection team to verify my identity and help me recover access to the original tenant.

    This is urgent, as I rely on Microsoft 365 for my work and have been unable to operate for several days. I’m available to provide any documentation or verification needed to support the recovery process."

    Ticket Support: In the Microsoft 365 Admin Center > Support > Help & Support.

    Please remember to cancel the trial subscription after your issue is resolved, as this will help you avoid any accidental billing. You may prefer the following resource for detailed instructions: Cancel your Microsoft business subscription in the Microsoft 365 admin center | Microsoft Learn

    I hope this helps you regain access to your account quickly. I'm glad to assist and truly hope the information provided has been useful. Please feel free to reach out anytime if you need further assistance.

    If you find my post helpful, kindly consider marking it as the accepted answer. Doing so can assist others in the community who may have similar questions in finding solutions more quickly.

    Thank you for your kindness and contributions to the forum.

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