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Duo Federal is now the Lab's two-factor authentication solution - Everyone who uses Duo must re-enroll at in order to retain their access. Those who have been using a YubiKey for two-factor authentication must to get a new one. Just arrange to pick it up at ITD customer support at no charge (1-631-344-5522,

YubiKey Token User Guide

YubiKey is a USB device that you use in combination with your BNL domain username and password to prove your identity. The YubiKey authentication device can be used as an optional authentication method for the DUO Two-factor Authentication security system and must be set up by an ITD administrator to work with BNL systems.

Using your YubiKey with Duo Security

Example BNL Domain Credentials: Username: jdoe | Password: 123456

  1. When prompted, enter only your username "jdoe"
     - Do not insert the "bnl\" domain, only insert your username
  2. Enter password plus comma "123456,"
  3. Enter passcode by inserting your token into an open USB port and press (1 second) the token button to authenticate (passcode will be inserted automatically into application). The login panel will disappear.
  4. You will be connected if everything is successfully.

    Note: You may have to wait for your token to install any hardware (if new) before you can authenticate.

How can I safely remove my YubiKey?

The YubiKey identifies as a USB keyboard to your PC, and does not need to be ejected when removed – you can just pull it out!

Can I lock or make my YubiKey go out of sync?

Yes! You may lock or make your YubiKey go out of sync if you click the token button more than 10-times in a row. If this happens, please wait 90-minutes for your token to reset. Contact the ITD Helpdesk if your YubiKey does not reset.

How to use your YubiKey with Mac OSX?

Note: These steps are valid for Mac OS X systems only. The YubiKey can be connected to older iPad (iPad 3) or iPhone (iPhone 4 or 5) devices.

  1. Insert your YubiKey in the USB-port with the USB-contact (button) facing upward. The first time you use the YubiKey, wait until the green light around the touch button is steady, indicating that your Mac has detected the device.
  2. The Keyboard Setup Assistant dialog box appears the first time the YubiKey is plugged into the computer. Click [Continue].
    Mac Start 1
  3. The following message “Your keyboard cannot be identified” may appear.
    If so, follow the directions in the window.
    Mac Start 2
  4. Press the [Skip] button and go to STEP 5.
    Mac Start 4
    Note: You will see the following window if you pressed [OK].
    Mac Start 2
    Press the button on your YubiKey. The following window will appear briefly, then go to STEP 5.
    Mac Start 3
  5. In the Select keyboard type dialog box, select [ANSI], and click [Done]. This procedure only needs to be done once for using the YubiKey on your Mac.
    Mac Start 5