Forum Discussion

Copper Contributor

Sep 17, 2026

I lost MFA for the M365 Admin account

I lost MFA for the M365 Admin account and was using Microsoft Authenticator

and lost the device,

and I was the single admin user in the tenant.

How do I regain access

Please advise,

Thanks for your support

microsoft 365 admin center

microsoft 365 compliance center

Microsoft Learn

1 Reply

VasilMichev
MVP
Sep 18, 2026
This is not a support channel, nobody here can help you. If you are not able to open a support ticket or call the hotline, your best option is to open a new thread over at the Entra ID Q&A forums:

https://learn.microsoft.com/en-us/answers/tags/455/microsoft-security-entra-entra-id