
You can now test your hardware token by authenticating to an MIT service. Result: You will be returned to the Duo settings page with a message saying the enrollment was successful.
Enter (copy & paste) the Serial Number (in Decimal format), Private Identity, and Secret Key you generated when configuring your Yubikey and select Submit.
Make sure the appropriate token type is selected. Result: You are brought to the registration page. Once signed in, click on Register a new hardware token. Once you have the token configured, you can add it to your Duo devices: Registering it with Duo Two-Factor authentication You may be prompted to save the log file. This is normal as some Yubikeys come pre-configured with YubiCloud credentials in slot 1. Some users may encounter the following warning about overwriting the configuration in Slot 1. Verify it is plugged in correctly by the solid/blinking green light in the middle of the gold circle. Once installed, insert your Yubikey into the USB port. Download and install the Yubikey Personalization Tool from the Yubico website. To configure your Yubikey with One Time Passcode: IS&T recommends getting a dedicated Yubikey for MIT/Duo logins. Using a single Yubikey with multiple services (MIT/Duo and non-MIT/Yubico) weakens the security of the key. IS&T does not support the above steps, and will not be able to help if things don't work. Re-attach the Yubikey to your other non-MIT services. Upload the configuration information to MIT's Duo portal: Registering it with Duo Two-Factor authentication. Upload the configuration information to Yubico at. Reconfigure it following the instructions below. Remove the Yubikey from all services that use it. It should be possible to use a single Yubikey for multiple services if you: For safety we recommend getting a new Yubikey from IS&T. If you already had your own Yubikey and were using it for non-MIT services, be aware that erasing and reconfiguring your Yubikey will probably make it stop working for your other services. If you received a new Yubikey from IS&T, it is safe to follow the steps.
The following steps will erase and reconfigure your Yubikey.