Yes, one of the core values of the VxRail Appliance is that customers can manage a cluster using the VxRail Manager or using all the tools in vSphere. We give the customer the choice. However, the initial appliance build, scale-out for additional appliances, and software upgrades must be done through the VxRail Manager user interface.
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Can customers use tools, such as vCenter or PowerCLI to manage the VxRail 
Appliance?