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Access the release notes for release-based products.
N2OS
N2OS 24.3.0
Update path requirements
Follow these instructions to have a smooth upgrade experience.

Resources
- Release Notes
  Access the release notes for release-based products.
  - Arc
  - N2OS
    - N2OS 24.3.1
    - N2OS 24.3.0
      - Highlights
        An overview of the most impactful changes in this release.
      - Updates in upcoming releases
        Important changes in future releases that might require additional steps or planning during upgrade.
      - Base OS
        A list of the improvements for the operating system and GUI usability changes that have been introduced in this release.
      - Reports and integrations
        A list of improvements for the queries, assertions and reports, and new developments for data and firewall integrations that have been introduced in this release.
      - Protocols, Smart Polling, and Arc
        A list of the improvements for Protocols, Smart Polling and Arc that have been introduced in this release.
      - CMC, Remote Collector, and AAA
        A list of the improvements for the CMC, Remote Collector and Authentication, Authorization and Accounting that have been introduced in this release.
      - Contents and detection
        A list of the improvements for the Contents and Detection that have been introduced in this release.
      - Resolved issues
        A list of the bugs and defects that have been addressed in this release.
      - Security fixes
        A list of security problems that have been addressed in this release.
      - Update path requirements
        Follow these instructions to have a smooth upgrade experience.
    - N2OS 24.2.0
    - N2OS 24.1.0
    - N2OS 24.0.0
    - N2OS 23.4.1
    - N2OS 23.4.0
    - N2OS 23.3.1
    - N2OS 23.3.0
    - N2OS 23.2.0
    - N2OS 23.1.0
    - N2OS 23.0.0
- N2OS Configuration
  The N2OS Configuration - Reference Guide.
- N2OS Software Development Kit
  The N2OS Software Development Kit (SDK).
- Integration Guides
  Integration guides to help you use applications that integrate with Nozomi Networks products.
- Reference Guides
  Additional reference guides with information on items such as Alerts and Incidents and Federal Information Processing Standards (FIPS).
- Quick Start Guides
  Hardware Quick Start Guides.
- Security
  Stay up-to-date with the most recent information and solutions for all vulnerabilities that affect Nozomi Networks products.
- Print format documentation
  A list of all the technical documentation that is available in print format.
- Documentation archive
  Access previous versions of the technical documentation.

Update path requirements

Follow these instructions to have a smooth upgrade experience.

The instructions provide a verified and supported upgrade path for your sensors, ensuring that software updates are applied correctly while safeguarding stored data and configurations. Failure to follow these upgrade instructions may lead to complete corruption of your sensor's file system and database, potentially necessitating a full data restoration or even a sensor replacement.

If you are on the release 23.4.0 or newer, upgrade directly to 24.3.0.
If you are on the release 23.3.0 or newer, upgrade to 23.4.1, then to 24.3.0.
If you are on the release 22.6.2 or newer, upgrade to 23.3.1, then to 23.4.1, then to 24.3.0.
If you are on the release 21.9.0 or newer, upgrade to 22.6.2, then to 23.3.1, then to 23.4.1, then to 24.3.0.