Travelling with MFA

Plan Ahead.

The following options are available while travelling:

If you are using the Duo Mobile App and...

you have internet access:

Use the "push" method of authenticating as you normally would. 

Example: Connected to Starbuck's WiFi network

you have NO internet access:

Generate a passcode in the Duo Mobile app by tapping the key icon. The passcode will appear underneath. You can enter a Passcode even if the phone has no internet or cell service.


Example: Flying on an airplane or in an area of a country with no service. 

You never installed the Duo Mobile App and...

you have phone service on your mobile phone:

Generate passcodes in advance using SMS Text Codes 

If you have enrolled a cell phone, then prior to travelling, you can opt to have Duo send you a passcodes by text message, which is valid for 30 days. 

To generate a passcode:

  1. Log into
  2. Press Enter a Passcode
  3. A bar will appear at the bottom. Press "Text me new passcode".smspasscodes2.png
  4. Duo will send you a passcode. This passcode will remain active for 30 days or until a new passcodes issent. 

Example: Call to a landline or you have no smartphone

you don't have phone service:

Option #1: Generate passcodes in advance

Prior to travelling, you can opt to have Duo send you a single-use passcodes, which is valid for 30 days.

To generate these passcodes:

  1. Log into
  2. Select Enter a Passcode
  3. Select the Text me new codes button


Option #2: Use a Hardware Token or Security Key

The Hardware Token is a device that will generate a passcode for Duo. Information on Hardware Tokens at Western can be found here:

For more information about using a Hardware token visit:

A Security Key is a physical device that would plug into a laptop/computer to allow access. 

For more information about using a Security Key visit:

Example: You left your phone at home or you regularly work from a place with unreliable internet access. 

you can install the Duo Mobile app:

Log into MyMFA ( with your Western UserID and password, then respond to the MFA prompt.

  1. Scroll down and select Add another device
  2. Select Mobile Phone or Tablet (depending on what you will be downloading the Duo Mobile app to)
  3. Enter phone number if applicable
  4. Confirm whether you have Duo Mobile installed - select "I have Duo Mobile installed" if already installed. If you do not have Duo Mobile installed, install it from the App Store (iOS) or Google Play Store (Android).
  5. Tap Add Account from the Duo Mobile app and scan the barcode
  6. If unable to scan barcode, there is an option to email an activation link instead

After activating Duo Mobile, see the If you are using the Duo Mobile App and... section above for more instructions.

Published on  and maintained in Cascade.