Add or Remove a device

Before you can change add or remove an authentication device, you must log into MyMFA using your current authentication method:

  1. Go to https://mymfa.uwo.ca .
  2. Log in with your User ID (without @uwo.ca) and your password.
  3. Choose a device and authentication method and respond to the MFA prompt to complete the log in process.

You are now logged into MyMFA and will see the My Settings & Devices screen listing all of your enrolled devices. 

Please Note:
You can have multiple phone numbers enrolled.

To add a new authentication device:

  1. Click on +Add another device
  2. Select the type of device you want to add (Mobile phone, Tablet, Landline, Security Key).
  3. Follow the prompts to add your selected device.
  4. Confirm whether you have Duo Mobile installed.  Select ‘I have Duo Mobile installed’ if it is already installed.  If you do not have the Duo Mobile app installed, you can install it from the appropriate app store for your device.
  5. Tap Add Account and scan the barcode.
  6. If you are unable to scan bar code, there is an option to email an activation link instead.
  7. Tap on the activation link from the mobile device and it will open Duo Mobile and activate it.

To remove an authentication device:

  1. Click the Device Options button next to the enrolled device you want to remove.
  2. Click the red Trash Can button to remove the device.

Please Note:
You may not remove a device if you don't have any alternative devices. If you wish to remove a device, first add another, then delete the original.

Published on  and maintained in Cascade.