Add or change Duo enrolled devices

Duo authentication is a required second step when logging in to a Princeton University application. You can manage your Duo devices through the self-service Duo Portal to ensure you have a primary and backup login method. You will receive notifications from Duo to help you monitor device changes and ensure there are no security issues with your account.

Add or remove a Duo device

Access the Duo Portal by visiting princeton.edu/duoportal.
Log in with your Princeton University (netID@princeton.edu) and password.

If you're adding or removing a device on a shared service account, be sure to notify other users before making the change.

Note that while you may have enrolled a Phone Number as a device, you will not be able to receive a phone call or text message as your authentication method when logging in to Princeton University applications.

You can also access the Duo Portal when logging in to any application by selecting the Manage Devices option.

Update Duo Mobile for a new phone or new number

If you get a new phone or phone number, you will need to update your device in the Duo Portal.

If you have the same phone number, select I have a new phone under your phone number/model name and follow the prompts.
- If your phone number is enrolled for multiple accounts, like a service account, you should follow the steps for a new phone number and choose I have a tablet or contact the IT Service Desk.
If you have a new phone number, select Add a device. Choose Duo Mobile and follow the enrollment steps. Once complete, remove the device with your old phone number.

If you can’t access the Duo Portal, follow Duo’s instructions to reactivate Duo Mobile.

If you experience any issues making the change, live chat or call the IT Service Desk at 609-258-HELP (4357). You may be asked to verify your identity with a photo ID.

Update your Duo enrolled passkey on a new computer or phone

If you’re using a device passkey (such as Windows Hello or Touch ID) to authenticate and you get a new device, you may need to enroll the passkey for the new device to continue using that log in option.

Log in to the Duo Portal from your new device and select Add a device. Choose the option available based on your device passkey type (Windows Hello, Touch ID, Face ID or Device verification). Follow the steps to Add Your Chosen Method, then remove the old passkey device.

If you don’t have your old device or a backup option for logging into the Duo Portal, live chat or call the IT Service Desk at 609-258-HELP (4357) for a temporary bypass code.

Monitor Duo activity and report possible security issues

If you receive any unexpected Duo authentication requests such as getting a Duo push notification on your phone when you did not attempt a log-in to your account, deny the request and contact the IT Service Desk immediately.

When you add or remove a device, you’ll receive an activity notification by email and/or on the device where you have the Duo Mobile app installed. Note that these notifications on your phone will be blocked if you are in a Do Not Disturb or Focus mode.

If you did not make the change, be sure to select, No, this wasn’t me to report the incident. If you receive the notice for a shared service account, be sure to check with other users before reporting a security incident. A member of the IT Service Desk will investigate and contact you to confirm if your account has been compromised.