Setup

• Am I required to turn on Two Factor Authentication?

• I manage a Google Generic Account. Do I have to turn on Two-Step for that?

• Can I use the same authenticator app with both two-factor services?

• Do I have to enter a code every time I want to log in?

 

U2F USB Keys

• What is a security key? Which U2F USB security keys work and where can I get one?

• Are there limitations to U2F keys?

• Who is responsible for purchasing U2F keys?

• Can U2F keys be reused for different users?

 

Log-in Issues

• I got a new phone and now I can’t use an authenticator app. What do I do?

• I can’t use my usual second factor method for Google 2-step, so how do I use another method?

• Why can’t I check “remember me” on the Duo authentication prompt?

• I can’t authenticate with Google 2-Step in some apps. Can this be fixed with App Passwords?

• What if I can’t log in?

• How can I receive Duo codes via text message?

• Why am I not receiving push notifications?

• How do I turn off Duo Auto-Push?

 

Misc. Questions

• Does Two-Factor cost money?

• Two-Factor outside the USA

• Do I have to use my personal phone to receive or generate codes?

• I need more help. Is there training available?