Official CAC Resource Hub
Modern Military Smart Card Support
Your comprehensive resource for Common Access Card (CAC) installation, troubleshooting, and support across all operating systems.
Quick Start Guide
Follow these steps to get your CAC working on your device
1. Download Software
Install the necessary middleware and certificate software for your operating system
2. Install Certificates
Import DoD root certificates to enable secure authentication with your CAC
3. Test & Verify
Verify your setup by testing access to CAC-enabled websites and services
Choose Your Platform
OS-specific guides for seamless CAC integration
Common Issues & Solutions
Quick fixes for the most frequent CAC problems
CAC Reader Not Detected
Ensure your card reader is properly connected and drivers are installed. Try unplugging and reconnecting the device.
Learn more →Certificate Errors
Update your DoD root certificates and ensure they're properly installed in your browser or system keychain.
Learn more →PIN Issues
If your PIN is locked, visit your local ID card office. Never share your PIN or attempt to bypass security measures.
Learn more →Need More Help?
Explore our comprehensive FAQ section or contact support for personalized assistance with your CAC setup.