Temporary Lockout
A lockout occurs after 5 consecutive failed login attempts. Common lockout causes are attempts that are ignored, actively denied, incorrectly entered, or Duo is attempting to send a push notification to a phone with no app installed. Most lockouts result from unfamiliarity with the DUO MFA process. You can review how to navigate this process here: Using Duo Multi-Factor Authentication
If you need immediate assistance removing a temporary lockout, please contact the Northwestern University IT Service Desk for assistance.