MFA: How to enroll in Microsoft Multifactor Authentication without a smartphone?

Article State

Work in Progress (WIP)

Issue

When a user is required to enroll in MFA without a Smartphone, where the Microsoft Authenticator app is not an available authentication option. 

Environment

• MFA
• Cell phone
• Office phone
• Home phone 
• Landline

Resolution

A smartphone is not required to use Microsoft Multifactor Authentication. By adding a cell phone, office phone, or home phone you can authenticate with a phone call. Cell phones that can receive text message will also have the option to authenticate by text code. 

Enroll in MFA without a smartphone (No App Required)

1. Navigate to https://mysignins.microsoft.com/security-info
2. Select +Add sign-in method
3. Which method would you like to add? 
4. Select Phone from the dropdown menu
   1. If you already have a phone enrolled select Alternative Phone to add a second phone
5. Add phone number you would like to authenticate with and press Next
6. The system will call your phone
7. Answer the phone call and press the # key
8. You successfully enrolled your phone