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NetBrain R12.3 Is Available: What’s New and How to Get Started

  • February 10, 2026
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NetBrain Community Team
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NetBrain R12.3 is now available, bringing new AI-driven capabilities designed to help teams troubleshoot faster, reduce manual effort, and operate networks with greater confidence.

This release focuses on making automation more practical in day-to-day operations—helping teams move from detection to resolution with less friction and better insight.

What’s New in R12.3

R12.3 introduces several enhancements that strengthen NetBrain as an AI-powered automation platform:

  • AI Deep Diagnosis
    Automatically identifies the root cause of many network issues with transparent reasoning and visualized results, reducing time spent chasing symptoms.

  • Runbook Companion by AI
    Helps generate runbooks for tickets and network issues, making it easier to standardize troubleshooting and capture knowledge as work happens.

  • Quick Assessment
    Streamlines network validation and assessment, helping teams identify configuration drift and risks across multiple devices in minutes.

  • Cloud Automation
    Extends automation beyond traditional infrastructure to public cloud and API-based networks.

Together, these improvements can significantly reduce MTTR and help teams operate with greater consistency and control.

How to Upgrade

To support a smooth upgrade experience, we’ve provided step-by-step resources:

Be sure to review the guidance before starting to avoid interruptions.

Have Questions?

If you have questions about the upgrade process or run into issues along the way, NetBrain Support is available to help.

We also encourage you to share your experiences, questions, and learnings with R12.3 here in the community. Your feedback helps shape what comes next.