A knowledge base article about Duo Desktop FAQs provided by the UC Berkeley IT Service Hub - Knowledge Portal

How does Duo Desktop work?

Duo Desktop will check your computer for and flag items that are missing or out-of-date:

Updates and patches (including browsers and operating systems)
Firewall turned on
Disk encryption enabled
Berkeley Security Software (BSS) installed

An example of a successful health check will show all green checkmarks
(image from a from a macOS device):
Screen displaying all green check marks for your computer system that passes health checks

An example of a failed health check will show one or more red checkmarks
(image from a from a Windows device): Screen displaying a mix of green and red check marks for your computer system so it does not pass all health checks

My computer failed the Duo Desktop health check. What do I do now?

You will need to fix the issue preventing you from logging in. Don’t worry, the Duo application will provide links to help you fix the issue. Review the health check results to see what failed. Examples:

Problem	Solution
Operating system is not up to date	Update your operating system. Report a problem with the campus help desk if you need assistance.
Firewall not enabled	Enable Firewall macOS firewall instructions Windows firewall instructions
FileVault (Apple encryption) is not enabled	Enable FileVault encryption macOS encryption instructions for campus-managed machines macOS encryption instructions for self-managed machines
Windows Encryption is not enabled	Enable Windows Encryption Windows encryption instructions for campus-managed machines Windows encryption instructions for self-managed machines
Security software is not running	Install Berkeley Security Software macOS instructions Windows instructions Linux instructions

If you need help:

Report the problem to the IT help desk:

Web portal: report a problem
Email: itcshelp@berkeley.edu
Please include a screenshot of your health check.

My Operating System is out of date. How do I fix this?

While an outdated operating system will not prevent you from logging in, it is a problem that needs to be fixed. If your operating system is out of support (meaning it is no longer supported by the vendor), your login will be denied. In either case, report the problem to the IT help desk for assistance.

BigFix is not appearing in the “Self-Service” app on my managed computer

Email itcshelp@berkeley.edu to open a ticket; they may have to uninstall and reinstall BigFix. Alternatively, you can try to access a protected application and follow the prompts to install security software.

How do I install Duo Desktop on my non-managed computer?

Find comprehensive instructions in this Knowledge Base article.

How do I give permission for Duo Desktop to access GPS on my Windows computer?

Navigate to Settings > Privacy & Security > Location; ensure location services are enabled, and verify that apps are allowed to access location.

Why does Duo Desktop wants access to my local network?

If you get this Duo Desktop message, simply click Allow to proceed. If you do not grant access to the local network, you will not be able to access Duo Desktop-protected applications. You can find additional information on the Duo website.