CAC Certificate Update

When Updates Needed

DoD updates root certificates periodically. Card replacement requires updates. Error messages indicate need. Annual verification recommended.

Update Process

Download InstallRoot latest version. Run as administrator. Accept all certificate installations. Restart browsers after.

Verification

Check certificate dates in browser. Test access to DoD sites. Verify all certs in chain. Clear cache if issues.

Automatic Updates

Some organizations push updates. Check with IT for policy. Manual updates sometimes needed. Stay current for access.

John Bigley

John Bigley is a former DoD IT specialist with over 12 years of experience supporting CAC authentication systems and military network infrastructure. He specializes in troubleshooting smart card issues and helping service members navigate DoD technology requirements.

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