Please follow the prompts
If your account is set to automatically choose an authentication method, please cancel the request and click “Add a new device” or “My Settings and Devices” to continue.
if replacing a Smart Phone you must have A.) access to the old device OR B.) the phone must have the same phone number. Contact the help desk if you have a new phone number and do not have access to the old device.
Click the help link above, refer to the School of Medicine’s Duo support website: http://www.medschool.umaryland.edu/IS/Duo-MFA/
or contact your local help desk for assistance.