You can use vSphere Update Manager to perform orchestrated upgrades of the ESXi hosts in your vSphere inventory by using a single upgrade baseline, or by using a baseline group.
Before you begin
Make sure your system meets the requirements for vCenter Server 6.0, ESXi 6.0, and vSphere Update Manager 6.0. See Upgrade the Update Manager Server
Install or upgrade vCenter Server to version 6.0. See Upgrading and Updating vCenter Server for Windows.
Install or upgrade vSphere Update Manager to version 6.0. See Upgrading Update Manager.
About this task
This workflow describes the overall process to perform an orchestrated upgrade of the hosts in your vSphere inventory. vSphere Update Manager 6.0 supports host upgrades to ESXi 6.0 for hosts that are running ESXi 5.x.
You can perform orchestrated upgrades of hosts at the folder, cluster, or data center level.
The last two steps in this procedure are alternatives. Choose one or the other.