Roll20 uses cookies to improve your experience on our site. Cookies enable you to enjoy certain features, social sharing functionality, and tailor message and display ads to your interests on our site and others. They also help us understand how our site is being used. By continuing to use our site, you consent to our use of cookies. Update your cookie preferences .
×
×

Cookie Preferences

We use Cookies to help personalize and improve Roll20. For more information on our use of non-essential Cookies, visit our Privacy Policy here.

Cac Reader Not Working 2021 May 2026

Document version: 1.0 | For general troubleshooting only – not official DoD guidance.

Issue: Your Common Access Card (CAC) reader is not recognizing your card, not allowing login, or showing errors.

Document version: 1.0 | For general troubleshooting only – not official DoD guidance.

Issue: Your Common Access Card (CAC) reader is not recognizing your card, not allowing login, or showing errors.