Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Because no other administrator or registered password-reset method is available, try the work-account reset wizard once, then contact Microsoft 365 business support by phone and request sole Global Administrator tenant recovery.
1. Make one self-service recovery attempt
- Stop repeated sign-in attempts until the temporary lockout clears; repeated attempts can extend or trigger additional sign-in blocking.^1^
- Open
https://passwordreset.microsoftonline.com. - Enter the work account created when purchasing Microsoft 365 Business, not a personal Microsoft account.
- Complete the wizard if it recognizes usable alternate contact information.
- If recovery fails, wait briefly on the final page—the wizard may display an option to contact Support.^2^
Because password-reset security information was not configured, this check may report that it cannot verify the account. Self-service recovery requires previously registered alternate contact information.^3^
2. Request tenant recovery without signing in
Use Microsoft’s country/region business-support numbers listed here: ^4^
When prompted by the automated system, state:
- Product: Microsoft 365 for business
- Issue: Administrator account locked; forgotten password
- Administrator status: Sole Global Administrator
- Other administrators: None
- Request: Create a service request for tenant administrator recovery
- Billing impact: Unable to manage or cancel the subscription
Have these details ready:
- Tenant/business name and custom domain
- The administrator sign-in name
- Purchase date, subscription, order/invoice information, and payment details
- A working external email address and telephone number
- Any tenant information received during signup
Microsoft’s business-support documentation says administrators should have account details ready. Phone support can require PIN verification through contact information registered in the organization profile, so explain immediately if those details were never configured.^5^
A sole administrator who cannot use self-service recovery and has no other administrator is a tenant-recovery case. A closely matching Microsoft Q&A resolution directs Support to create a case under the affected tenant and transfer it to the appropriate account-protection team.^6^
Support must verify ownership; agents are not permitted simply to send a password-reset link or change account details without that process.[^7^](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID] "Microsoft 365 for business")
Subscription cancellation is a separate request
Tell the same support agent that the locked tenant also prevents cancellation and ask that the ticket include billing/subscription cancellation. Microsoft 365 for business provides billing and subscription assistance by phone; admin-center access is therefore not the only escalation route.^5^
Do not create another paid subscription merely to replace the locked tenant. If telephone support cannot open the recovery case, a documented workaround from matching Q&A cases is to create a temporary Microsoft 365 trial tenant, sign in to its admin center, and use Help & support → Contact Support to open a case for the original tenant. Cancel the trial afterward to avoid renewal.^8^
After access is restored
- Register alternate email, phone, and MFA recovery methods.
- Create at least one additional Global Administrator with distinct credentials and authentication methods.
- Create and securely monitor an emergency-access account. Microsoft recommends administrator redundancy to prevent complete tenant lockout.^9^
References
- Common problems with two-step verification for a work or school account
- Forgot password to sign in to Microsoft 365, Intune, or Azure
- Reset your Microsoft work or school account password using security info | Microsoft Support
- Contact Microsoft customer support
- Get support for Microsoft 365 for business
- Forgotten the administrator password - Microsoft Q&A
- [Microsoft 365 for business](https://support.microsoft.com/accounts-billing/subscriptions/[Subscription ID])
- Global Administrator Locked Out | MFA Reset request. On behalf of a Microsoft Business 365 Account - Microsoft Q&A
- Preventing tenant lockouts