If your interest in "NIST" relates to security compliance:
A "DS9664NIST firmware updated" operation is not a casual reboot. Follow this checklist to avoid bricking your unit:
There are two approved methods: Web GUI (recommended for single units) and Batch Update Tool (for fleets). ds9664nist firmware updated
You can revert to the previous firmware (if it was v2.1.2 or v2.0.9) via the Rollback Partition feature — only available within 14 days of upgrade.
Steps:
⚠️ Warning: Downgrading removes all audit logs generated after the upgrade and may invalidate FIPS certification until a clean install is performed.
According to the manufacturer’s Q3 2026 advisory, the next update (v4.34.000) will introduce: If your interest in "NIST" relates to security
They recommend all DS9664NIST units receive the current update as a prerequisite for the quantum-safe upgrade.
Even with a smooth DS9664NIST firmware updated process, edge cases exist: ⚠️ Warning: Downgrading removes all audit logs generated