If you've previously turned on per-user MFA, you must turn it off before enabling Security defaults. See advanced scenarios with Azure AD Multifactor Authentication and third-party VPN solutions for more information. Advanced: If you have third-party directory services with Active Directory Federation Services (AD FS), set up the Azure MFA Server.If you have Office 2013 clients on Windows devices, turn on Modern Authentication for Office 2013 clients.If you have legacy per-user MFA turned on, Turn off legacy per-user MFA.For more information, see About admin roles. You must be a Global admin to manage MFA.Under Enable Security defaults, select Yes and then Save.Select Azure Active Directory, Properties, Manage Security defaults.Select Show All, then choose the Azure Active Directory Admin Center.Go to the Microsoft 365 admin center at.Microsoft 365 will ask for your mobile number, then send you an SMS message containing a 6-digit code to verify your device. If you would rather use SMS messages sent to your phone instead, select I want to set up a different method. If you don't have it installed there is a link provided to download it. If you have it installed on your mobile device, select Next and follow the prompts to add this account. The default authentication method is to use the free Microsoft Authenticator app. After you choose Sign in, you'll be prompted for more information. Sign in to Microsoft 365 with your work or school account with your password like you normally do. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone. Tip: Want to know more about multi-factor authentication? See What is: Multifactor authentication.īy setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in.

Enabling 2fa office 365