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// Documentation / Knowledge Base

Knowledge Base

Practical guidance for PortGuardNAC operators · ← Documentation

Use these articles to understand the appliance's current behavior and decide what to check before changing network access. Confirm your installed version and hotfix in Updates.

Appliance console and first login →

The fixed VM menu, initial password change, synchronized dashboard and SSH password, and secure recovery.

HA RADIUS certificates →

Which identities are shared, how to investigate a snakeoil warning, and how to test EAP against both nodes.

Possible MAC address reuse →

What triggers the live advisory, why it does not prove spoofing, and how to investigate without disrupting legitimate devices.

License and evaluation expiry →

The different outcomes for a 30-day evaluation, an expired paid license and an ended support term, with steps to restore normal service.

Need help with a live incident? Contact PortGuardNAC Support and include the appliance version, relevant timestamps and the checks already completed. Do not send passwords or private keys.

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