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Global Admin MFA lockout
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Neil Leynes
0
Reputation points
Hello Microsoft Support,
We are currently locked out of our Microsoft 365 tenant because all Global Administrator accounts require multifactor authentication (MFA), but the registered Microsoft Authenticator devices are no longer accessible.
Current situation:
- No active admin sessions remain
- All Global Admin accounts are affected
- Passwords are correct, but MFA verification cannot be completed
- No backup authentication methods were configured
- We still own and control the domain and DNS records associated with the tenant
We need assistance with Global Administrator account recovery and MFA reset for the tenant.
Affected domain: xxxxx
Community Center | Not monitored
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Sridevi Machavarapu 33,305 Reputation points Microsoft External Staff Moderator2026-05-28T00:25:13.12+00:00 Hello Neil Leynes,
Based on the details you’ve shared, this appears to be a tenant lockout scenario.
To resolve this, the recommended approach is to contact the Microsoft Data Protection team. You can reach them by calling Microsoft Customer Service using the phone numbers listed here: Customer service phone numbers - Microsoft Support
If you have access to another tenant or subscription where you still have Global Administrator privileges, you may also raise a support request from there to get assistance in restoring access to the affected tenant.
For future reference and to help prevent tenant lockouts, please check: Preventing Tenant Lockouts - Partner Center | Microsoft Learn
If neither option is possible, please don’t worry—let us know, we are happy to assist you further!
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