Use the checklist to track your work on the upgrade process.
Warning: You must follow the prescribed order and upgrade the hosts, NSX Edge cluster, NSX Controller cluster, and Management plane.
|Review the known upgrade problems and workaround documented in the NSX-T Data Center release notes.||See the NSX-T Data Center Release Notes.|
|Follow the system configuration requirements and prepare your infrastructure.||See the system requirements section of the NSX-T Data Center Installation Guide.|
|Evaluate the operational impact of the upgrade.||See Operational Impact of the NSX-T Data Center Upgrade.|
|Upgrade your supported hypervisor.||See Upgrading Your Host.|
|Verify that the NSX-T Data Center environment is in a healthy state.||See Verify the Current State of NSX-T Data Center.|
|Download the latest NSX-T Data Center upgrade bundle.||See Download the NSX-T Data Center Upgrade Bundle.|
|If you are using NSX Cloud for your public cloud workload VMs, upgrade NSX Cloud components.||See Upgrading NSX Cloud Components from NSX-T Data Center 2.4 onwards|
|Upgrade your upgrade coordinator.||See Upgrade the Upgrade Coordinator.|
|Upgrade the hosts.||See Configuring and Upgrading Hosts .|
|Upgrade the NSX Edge cluster.||See Upgrade NSX Edge Cluster.|
|Upgrade the NSX Controller cluster.||See Upgrade NSX Controller Cluster.|
|Upgrade the Management plane.||See Upgrade Management Plane from 2.3.x to NSX-T Data Center 2.4.x.|
|Post-upgrade tasks.||See Verify the Upgrade.|
|Troubleshoot upgrade errors.||See Troubleshooting Upgrade Failures.|