Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
Unable to sign in due to lost MFA authentication
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Manuel Ballmer
0
Reputation points
Dear Microsoft Support Team,
I no longer have access to my Microsoft work account because the account was removed from my Microsoft Authenticator app. As a result, I cannot receive the required MFA code and am unable to sign in.
This is a work/organizational account (Microsoft Entra ID). I do not have access to any alternative authentication methods (such as SMS, phone call, or backup codes).
I kindly ask you to reset the MFA authentication methods for this user or to enforce a re-registration of multi-factor authentication, so that I can sign in again and set up MFA from scratch.
I am happy to provide any additional information required for identity or tenant verification.
Thank you very much for your support.
Kind regards
Microsoft Security | Microsoft Entra | Microsoft Entra ID
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Sridevi Machavarapu 33,820 Reputation points Microsoft External Staff Moderator2025-12-30T03:43:42.8566667+00:00 Hello Manuel Ballmer,
If you're the only Global Administrator in the tenant, this qualifies as a tenant lockout scenario. In that case, we’ll need to involve Microsoft’s Data Protection team through a support ticket to help restore access.
To assist you further and forward this to Microsoft’s Data Protection Team, we need some additional information. As this involves Personally Identifiable Information (PII), please share the following details with us via private message only (do not post publicly):
- Contact phone number (including country code)
- Contact Email address
- Email address (affected account)
- Country
- Time zone
- Tenant domain name (e.g., contoso.onmicrosoft.com or verified custom domain)
- Tenant ID
- Azure subscription ID or billing information associated with the tenant (this helps confirm ownership)
- Locale
Once we receive this information, we will forward it to Microsoft’s Data Protection Team for further assistance.
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