ReferenceThis section includes the following topics:About the NetBackup answer fileAdd or remove the NetBackup DirectIO package after upgradePrevious upgrade operational notes and limitationsAbout the NetBackup Java Runtime EnvironmentAdd or remove Java components after upgradeAbout the NetBackup web user interfaceAbout pushing client software from a primary server to clientsAbout the IT Analytics Data CollectorManually install or uninstall IT Analytics Data Collector binariesManually configure the IT Analytics Data CollectorManually upgrading the IT Analytics Data CollectorPersistent Java Virtual Machine optionsAbout RBAC bootstrappingAbout NetBackup software availabilityAdditional post-upgrade steps for NetApp clusters Using NetApp disk arrays with Replication DirectorAbout compatibility between NetBackup versionsKnown catalog backup limitationUpgrade requirements for UNIX and LinuxUpgrade requirements for Windows and Windows clustersRequirements for Windows cluster upgradesRemoving a clustered media server by migrating all data to a new media serverPost upgrade procedures for Amazon cloud storage serversUpgrading clients after servers are upgradedUpgrade failure rollback stepsSize guidance for the NetBackup primary server and domain