Lumen help
As a Control Center system administrator, you can re-enroll the two-factor authentication (2FA) for users in your organization. Typically, you re-enroll a user's 2FA if they have trouble authenticating, need to reinstall their authentication app, or if they want to change devices used for authentication.
As a Control Center system administrator, you can add two-factor authentication (2FA) to a user's profile so the user can view and manage Lumen security services.
To increase the security of your Control Center user profile, you can add two-factor authentication Adding two-factor authentication to your user profile means you'll enter a six-digit code from an authenticator app after you type your username and password.
If you need to change devices associated with your Lumen Control Center two-factor authentication or if you experience problems with your 2FA, you can re-enroll two-factor authentication for your user profile.