IntroductionThis section includes the following topics:About the NetBackup 8.1.2 Upgrade GuideAbout changes in NetBackup 8.1.2Potential required changes for NetApp clustersAbout automatic file changes from an upgradeErrors when Bare Metal Restore information is replicated using Auto Image ReplicationKnown catalog backup limitationAvailable NetBackup upgrade methodsAbout Veritas Services and Operations Readiness ToolsRecommended SORT procedures for new installationsRecommended SORT procedures for upgradesAbout the NetBackup preinstall checker