Network Security Manager 3.2 On Premises Release Notes

Version 3.2.0 On-Premises

December 2025

Important

  • The NSM 3.2.0 is based on a new operating system, delivering improved performance, enhanced security, and greater overall reliability.
  • The NSM 3.2.0 uses the Command Line Interface (CLI) as compared to previous NSM versions using Management Console. CLI is a powerful tool that will enable you to configure networking and even perform backups and upgrades. Details on the CLI commands are present under Command Line Interface.

Compatibility and Installation Notes

  • Most popular browsers are supported, but Google Chrome is preferred for the real-time graphics display on the Dashboard.
  • A MySonicWall account is required.
  • Capacity Requirements: The capacity requirements for an NSM On-Premises deployment have changed:

    Supported Platforms
    Platform Platform Details
    VMware

    Supported versions: ESXi 7.0, 8.0

    Hyper-V Windows 2019, 2022
    KVM Linux Kernel 5.15 LTS
    Azure

    Standard_D4_v2

    Standard_D5_v2

    Standard_D16as_v5

    Standard_D8as_v5

    Management Only
    Number of Firewalls CPU (Cores)
    100 4
    150 4
    250 8
    500 8
    750 8
    1000 8
    1000+ 16
    Management Only
    Number of Firewalls CPU (Cores) RAM (GB)
    100 4 16
    150 4 16
    250 8 16
    500 8 16
    750 8 16
    1000 8 16
    1000+ 16 32
    Management, Reporting and Analytics
    Number of Firewalls CPU (Cores) RAM (GB)
    100 4 24
    150 4 24
    250 8 24
    500 8 32
    750 8 32
    1000 8 32
    1000+ 16 64
    Reporting Disk Space Requirements (Data Storage + Cache)/SSD
    Number of Firewalls Data Retention 7 days Data Retention 365 days
    50 600 GB 750 GB
    100 1.2 TB 1.5 TB
    150 1.7 TB 2.3 TB
    250 2.8 TB 4 TB
    Distributed Deployments Sizing Guideline
    Number of Firewalls NSM Nodes
    ≤ 250 NSM Controller Node / Single Node Deployment
    > 250 Controller Node + 1 Reporting Agent per 250 firewall
    Reporting Agent resource requirements (CPU and RAM ) is the same as the controller node.
  • Upgrade Instructions:

     

    • Upgrade to NSM 3.2.0 on-prem is supported only using backup and restore because of change in operation system.
    Current Build Upgrade Path to 3.2.0 On-Prem
    NSM 3.1.0 NSM 3.1.0 > NSM 3.1.1 > NSM 3.1.1 HF1 > NSM 3.2.0
    MSM 3.1.1 NSM 3.1.1 > NSM 3.1.1HF1 >NSM 3.2.0
    NSM 3.1.1HF1 NSM 3.1.1HF1 >NSM 3.2.0

    Please refer to the individual platform upgrade instructions:


What's New

NSM based on SonicCoreX - In this release, we have moved NSM to a new underlying operating system, which enhances the overall performance, security, and reliability of NSM.

New User Experience - NSM on-premises has a new modern user experience.

NSM CLIs - We have a new way to configure NSM using CLIs.

Proxy Configuration - NSM on-premises will support proxy configuration to make it suitable for environments where internet connectivity is provided through a proxy.

SonicOS support - This release enables support for SonicOS versions 7.3.1 and 8.1.0

Risk-Based Reporting: Introduces new report types that provide deeper insights into application usage, intrusion attempts, and malware risks, empowering security teams to prioritize threats and improve response times.

Schedule Web Activity Report - Get detailed insights into user web activity by the Web Activities schedule report

Schedule Attack Report - Admins can generate a schedule attack report on Gen 7 and Gen 8 devices.​ Attack reports provide visibility into potential security incidents, allow admins to investigate, respond, and enhance network security measures to prevent future breaches.​

Upgrade workflow Improvements - Users can download and install upgrade with NSM user interface.

Tenant and Group Change logs - Enable tracking of configuration of firewall configuration changes for auditing and compliance requirements

User Management - Administrators have an option to enforce password change at first login for new users.

Alerts - Get alerted on local changes performed on firewall.

Resolved Issues

Issue ID Description
NSM-33628 NSM 3.2.0 On-Prem VM creation failed with error "A required disk image was missing"
NSM-32563 Secondary HA firewalls are getting added to Inventory when Secondary is active
NSM-32409 When navigating to Firewall View>Device>Time an error is displayed stating "Cannot read properties of null (reading "startsWith")".
NSM-31946 Aggregated scheduled reports fail to run on-demand.
NSM-31788 NSM shows the errors "Error occured in saving CATP data in RAB for the device KAG-Quincy-Service-TZ370 (18C2415D9350): Put "http://127.0.0.1:3443/api/v1/captureatp/18C2415D9350": dial tcp 127.0.0.1:3443: connect: connection refused".
NSM-31100 IP column sorting is not working in larger production environment.
NSM-30074 IN Azure environment, all GEN6 units are offline after the upgrade to 3.0.

Known Issues

Issue ID Description
NSM-33964

.Unable to upgrade firmware after restoring 3.1.1-HF backup in 3.2.0

Workaround- Either perform the firmware upgrades by grouping the firewalls in the inventory by firewall models or perform the firmware upgrades using the firewall user interface.

Additional References

NSM-33557, NSM-32022, NSM-31790, NSM-31254