This topic lists the upgrade paths for the Infoblox NIOS 9.0.x releases. For details about the upgrade paths for a specific release see the sub-topic for the release:

To ensure that new features and enhancements operate properly and smoothly, Infoblox recommends that you evaluate the capacity on your Grid and follow the upgrade prerequisites before you upgrade from a previous NIOS release.

If there are pending actions such as a restart or a reboot from past hotfix applications, ensure that these are complete before starting the upgrade process. Failure to do so may cause irreparable harm to your installation. See the “Upgrade Guidelines” section in these Release Notes for information about how to gather pending action data and resolve the actions.

Infoblox recommends that administrators planning to perform an upgrade from a previous release create and archive a backup of the Infoblox appliance configuration and data before upgrading. You can run an upgrade test before performing the actual upgrade. Infoblox recommends that you run the upgrade test, so you can resolve any potential data migration issues before the upgrade.

The following matrix lists the 9.x versions from which you can upgrade to other 9.0.x versions. If upgrading from 8.x to 9.0.x, follow the prerequisites listed at Upgrading from 8.x to 9.0.x in addition to the prerequisites listed below for specific 9.0.x versions.

The following table lists the upgrade paths for the NIOS 9.0.x release train. See the subsections in this topic for details of the upgrade path for a specific release.