GHC Sites > Information Technology > Multi-Factor Authentication (Duo) > How to Add a New Device

How to Add a New Device

To add a new device or change any Duo settings, you must first authorize your identity by clicking on the corresponding button of your preferred method of 2FA verification.

authentication method screen

You can add a second device (in case you do not have your primary device) to use for multi-factor authentication.

To add a Landline (as an example), select “Add another device.”


add another device


Select “Landline” and then click “Continue.”

phone type selection screen


Enter the phone number for the landline in the box provided and click “Continue”.

enter phone number screen



You will now be able to authenticate with the newly added landline (in this example), as a secondary backup device.