VxRail Manager orchestrates the LCM of the VxRail managed vCenter Server.
The customer is responsible for LCM of the customer-managed vCenter Server. Per VMware’s best practices, upgrade the vCenter instance before performing LCM on a VxRail cluster. Follow the guidance in the VxRail Release Notes to identify the supported vCenter version based on the target VxRail version. For an ordered list of vCenter upgrade tasks, see Overview of the vSphere Upgrade Process.