

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.
