You can totally remove a vSphere App HA virtual machine from a vCenter Server.

Verify that you have uninstalled the vSphere App HA plug-in from the vSphere Web Client before you remove the virtual machine. See Uninstall vSphere App HA Plug-in.

If you have already configured the vSphere App HA virtual appliance to connect to thevCenter Hyperic server, you must be connected to vCenter Hyperic server to uninstall vSphere App HA.

1

Power off the vSphere App HA virtual machine.

2

Delete the virtual machine from the vCenter Server.