example
PowerCLI C:\Scripts\vCenter\migration> foreach ($vmhost in $CSVhosts) {remove-vmhost -VMhost $vmhost.name -confirm:$fals
e -RunAsync}
Remove-VMHost : A parameter cannot be found that matches parameter name 'RunAsync'.
At line:1 char:84
+ ... confirm:$false -RunAsync}
+ ~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Remove-VMHost], ParameterBindingException
+ FullyQualifiedErrorId : NamedParameterNotFound,VMware.VimAutomation.ViCore.Cmdlets.Commands.RemoveVMHost