How to Fix Microsoft 365 Admin Portal Two-Step Verification Loop
Question details
The user is unable to access the Microsoft 365 Admin Portal due to a two-step verification sign-in loop.
- Product
- Microsoft 365 Admin Portal
- Device & OS
- not provided
- Scenario
- Attempting to sign in to the Microsoft 365 Admin Center as an administrator.
- Observed behavior
- The login screen prompts for verification via Microsoft Authenticator, but the account is not configured in the app, preventing sign-in and creating a loop.
Ensure you have access to any alternative phone numbers or email addresses associated with your admin account. If you are not the sole administrator, reach out to another global admin in your organization before proceeding with complex account recovery.
Use an Alternative Verification Method
If you previously set up an alternative verification method, you can bypass the Microsoft Authenticator prompt to regain access.
Go to the Microsoft 365 Admin Center login page and enter your administrator email address and password.
When prompted for the authenticator code, click on the link that says 'Sign in another way' or 'I can't use my Microsoft Authenticator app right now'.
Select an alternative method from the list, such as receiving a text message (SMS), a phone call, or using an alternate email address.
Enter the verification code you receive via your chosen alternative method to successfully access the admin portal.
Contact Microsoft Data Protection Team
If you are the only global administrator and have no backup verification methods, you must contact Microsoft support directly for identity verification and account recovery.
Try WPS Office for a Hassle-Free Office Experience
Dealing with Microsoft 365 admin lockouts can halt your productivity. While you wait for your account recovery, consider using WPS Office—a free, lightweight, and highly compatible alternative to Microsoft Office. It allows you to create, edit, and save your documents without relying on complex admin portals or mandatory cloud authentications.
- 1. Download the installer: Visit the official WPS Office website and download the free installer for your operating system.
- 2. Install WPS Office: Run the downloaded file and follow the straightforward on-screen instructions to set up the software.
- 3. Open your files: Launch WPS Office and directly open your existing Word, Excel, or PowerPoint files to resume your work instantly.
Frequently Asked Questions
Why was two-step verification enabled on my Microsoft 365 admin account automatically?
Microsoft often enables 'Security defaults' automatically for tenants to protect organizations from identity-related attacks. This baseline security policy requires all administrators and users to register for multi-factor authentication (MFA).
Can another administrator reset my MFA settings to fix the sign-in loop?
Yes. If your organization has another Global Administrator with access to the portal, they can log into the Microsoft 365 Admin Center, navigate to Active Users, select your account, and choose 'Require re-register MFA' to reset your settings.
How do I correctly set up Microsoft Authenticator once I regain access?
After regaining access, go to your Microsoft account's Security Info page. Select 'Add sign-in method', choose 'Authenticator app', and follow the prompts to scan the generated QR code using the Microsoft Authenticator app on your smartphone.
Will I lose my organization's data during the Microsoft Data Protection recovery process?
No. The Data Protection team only resets your account's authentication methods so you can regain access. Your organization's data, emails, user accounts, and files remain entirely intact.
