Step 2. Download the Microsoft Authenticator App on your Mobile Phone


In order to use multi-factor authentication with your A. Duda & Sons account, you will need to ensure the following pre-requisites are met:

  • You have a phone that can receive SMS texts and/or download the Microsoft Authenticator app or
  • You have an A. Duda & Sons assigned hardware security token


  • If you previously set up MFA and have a new phone/lost your phone see the FAQs for instructions)
  • If you want to change your verification method from what you are currently using, follow the instructions in the FAQs Section   - "How do I to change my verification method?"

2. Download the Microsoft Authenticator App on your Mobile Phone


  1. Go to App Store
  2. Search for Microsoft Authenticator
  3. Tap on the Microsoft Authenticator app to download
  4. Click "Get" to begin installation
  5. Once the app is installed, click on Open.
  6. Tap Allow on the Authenticator would like to send you notifications screen"
  7. On the Accounts screen, tap ADD ACCOUNT
  8. Under What kind of account are you adding? Select Work or school account.
  9. A pop up box will appear asking, Authenticator Would Like to Access the Camera?
  10. Tap OK (You will need to take a picture of the QR code found in the next step of setup instructions).
  11. Your camera will turn on and is ready to record the QR code. Set your phone down temporarily and go to your computer.