What's New in this Guide

This section introduces the documentation updates for release 9.0.1.2.0.

Release 9.0.1.2.0 - G34749-01, June 2025

• Added the Workaround to Resolve 31000 Critical Alarm Observed After Upgrade section to document the workaround for 31000 critical alarm.
• Updated supported upgrade paths in the Supported Upgrade Paths to 9.0.1.2.0 section.
• Updated the version for ISO image and product release in the following sections:
  • Application ISO Image File
  • NOAM Health Check for Source Release 9.0 and Later
  • Upgrade Single Server – DSR 9.x
  • Setting up the Active NOAM as Controller
  • Server CLI: Verify the Backout
• Updated release version in the following sections:
  • Upgrade Overview
  • Traffic Management During Upgrade