Starting in NSX 6.4 you can plan and execute the NSX upgrade using the Upgrade Coordinator. Preparing for the NSX UpgradeTo help ensure a successful NSX upgrade, check the release notes for upgrade issues, prepare the infrastructure for the upgrade, and use the correct upgrade sequence. Upgrade NSX Using Upgrade CoordinatorWhen you upgrade using Upgrade Coordinator, you can select to perform a One Click Upgrade, where everything is upgraded during one upgrade session. Or you can select to Plan Your Upgrade, and customize which components are upgraded, and organize component objects into upgrade groups. Upgrade NSXTo upgrade NSX, you must upgrade the NSX components in the order in which they are documented in this guide. Upgrade NSX in a Cross-vCenter NSX EnvironmentTo upgrade NSX in a cross-vCenter environment, you must upgrade the NSX components in the order in which they are documented in this guide.