CalNet 2-Step FAQs
Common Issues
- I left my phone or hardware token at home.
- My phone was lost or stolen.
- Why am I having trouble receiving Duo Push notifications?
- I have a new phone with the same number. How do I reactivate Duo?
- My Duo account has devices listed that I no longer use. How do I remove them?
- I'm not sure I enrolled properly. How do I test it?
- Even though I select the "Yes, trust browser" button I still get challenged for 2-Step when I log in
- My Duo app doesn't have an option to add accounts as detailed in the instructions.
- Why does my Duo screen look different?
General
- I enrolled in 2-Step, but the CAS (or CalNet) login screen still says that I need to enroll. What do I do?
- Do I need to do a second-step verification every time I log in to CalNet?
- Can I use Google Authenticator to generate codes instead of using the Duo Mobile app?
- Does 2-Step Verification work with SPAs (Special Purpose Accounts)?
- Will Duo work on a private network?
- After enabling 2-Step, I received an email with the warning: "Be careful with this message. It contains content that's typically used to steal personal information." Should I be concerned?
- Which web browsers can I use for 2-Step?
- Even though I check the "Yes, trust browser" box, I still get challenged for 2-Step each time I authenticate. Why?
- Can I still use 2-Step on my account when I leave the university?
- What precautions do I need to take before traveling abroad?
- Doesn't “Yes, trust browser” defeat the purpose of 2-Step?
- When I try to log on to CAS on my mobile device, the 2-Step screen displays an empty white box.
- Can I back up and restore 3rd party accounts using Duo Mobile?
- Are alumni eligible for 2-Step or 2FA?
Universal Prompt
- How do I check the box to “Remember me for 30 days”?
- How do I add a new device to my 2-Step account?
- How does Duo know how to choose what device to use to complete a 2-Step?
Retirement of 2-Step Phone Calls
- I am in a part of campus that does not have reliable internet connection or cellular service. How do I 2-Step?
- Is Duo Push secure? I am worried about the security of my information.
- I do not own a smartphone. How can I use the other forms of verification?
- I had Duo Mobile set up on my smartphone already, but it is no longer working. What can I do?
- Duo mobile notifications are not showing up on my device. What should I do?
- I logged into mycalnet.berkeley.edu and don’t have the option to add a new device. What should I do?
- I got a new phone and can’t get past the 2-Step to add a new device. What should I do?
- Can I apply for an exception to continue to use phone calls?
Phones
- What do I do if I don't have a university-supplied smartphone and don't want to use my personal phone?
- What if I don't have cellular data?
- How much data does a Duo Push request use?
- I have both a personal phone and a work phone. Which one do I enroll?
- Will Duo Mobile work with an international phone number?
- What operating systems work with Duo Mobile?
Hardware Tokens
- Where can I get a YubiKey?
- What is the difference between a YubiKey and a Simple Hardware Token?
- What is the difference between using my YubiKey as an HOTP or U2F device?
CAS with Other Software
Need More Help?
Contact calnet2-stephelp@berkeley.edu
Content tags