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In the scenario where all Global Administrators are locked out and unable to access the tenant due to MFA requirements and unavailable authentication devices, it is crucial to have emergency access accounts in place. Microsoft recommends creating at least two emergency access accounts that are excluded from Conditional Access policies. These accounts should be used only in emergencies to prevent being locked out of administrative access.
If you find yourself locked out, here are some steps you can take:
- Use Emergency Access Accounts: If you have set up emergency access accounts, use them to regain access to the tenant. These accounts should be configured with distinct credentials and MFA methods.
- Contact Support: If no emergency access accounts are available, you may need to contact Microsoft Support for assistance with resetting the Global Admin's MFA or obtaining a Temporary Access Pass. They can provide guidance on the next steps to regain access.
- Recovery Planning: For future prevention, ensure that your organization has documented recovery procedures and that all administrators are aware of how to access emergency accounts in case of similar situations.
It's essential to plan for such scenarios to avoid complete lockouts in the future.