Forum Discussion
How do I get support with Authentication when it doesn't work?
I have a business 365 account but changed address and so my credit card payments stopped. However, I can't log in to my account because I have an authentication problem (my authentication app on iPh...
- At the sign-in prompt, select Other ways to sign in and use SMS, email, or another registered method if available. The “Microsoft Entra ID” tile may be an inactive single sign-on entry and not a code generator.
- If no alternative method works, another Microsoft 365 administrator must reset your authentication methods. If you are the only administrator, contact Microsoft 365 Business phone support using the country or region number listed on Microsoft’s support page. Phone support includes verification using the email address or phone number registered in your organization profile.
- Do not delete or reinstall Authenticator before access is recovered, because this may remove any remaining credentials.
- After Microsoft restores access, register Authenticator again, add at least one backup sign-in method, then update the billing address and payment method in the Microsoft 365 admin center. The billing address should match the card provider’s records.