Bravura Security Fabric DocumentationUpgrade and MigrationUpgradingUpgrading an instanceUpgrade stepsUpgrade stepsFollowing preparation and reducing sources of change, upgrade steps depend on your upgrade path/playbook:12.3 Release train - For versions 12.3 or earlier, upgrading to 12.4 or newer.Queue Flush -For versions 12.4 or later, upgrading to 12.4.1 or laterQueue Delete -For versions 12.4 or later, upgrading to 12.4.1 or laterRolling Update -For versions 12.4 or later, upgrading to 12.4.x or later