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  3. Multi-factor authentication

Multi-factor authentication

These are frequently asked questions about multi-factor authentication.

  • Steps to Register Microsoft Authenticator Using a Smartphone Only.
  • When Scanning the QR code with the Microsoft Authenticator App, it says "Already added."
  • How to Register Multi-Factor Authentication without Using an Authenticator App?
  • Can Email be Used as an Authentication Method When Signing in to Microsoft 365 Copilot?
  • QR Code Scan Error in Microsoft Authenticator: Account Already Exists
  • Reconfiguring Multi-Factor Authentication After Clearing Registered Information
  • Microsoft Authenticator QR Code Activation Failed – Error Message: "Activation code is invalid"
  • How to reconfigure the Microsoft Authenticator app.
  • Authentication Method Using a Phone Number.
  • Authorization Requests are not Being Received on the Microsoft Authenticator App.
  • Which authentication apps can be used for verifying a THERS account?
  • Can Multiple Other Users' Accounts Be Managed within a Single Authenticator App?
  • What is Multi-Factor Authentication (MFA)
  • How to Add Multi-Factor Authentication (MFA) Methods to your THERS Account.
  • What is App Lock in Authenticator?
  • When I Launch the Authenticator App, the Screen Locks and I Can't Operate it.
  • Is There a Way to Back Up Multi-Factor Authentication Before Changing Devices?
  • I want to transfer the settings of the Microsoft Authenticator I am currently using to another smartphone.
  • The Authenticator app was accidentally deleted.
  • How to Manage Multi-Factor Authentication for a THERS Account when Changing to a New Smartphone?
  • What to Do If a Device Used for Multi-Factor Authentication (MFA) is Lost or Broken.
  • If a Smartphone is Not Available, How Can Multi-Factor Authentication be Set Up?
  • The Integration between My THERS Account and the Authentication App is not Working Properly.
  • Unable to Set Up the Microsoft Authenticator App on an Android Device.
  • How to Change or Add an Authentication Method for Microsoft 365 Copilot.
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