Get-VmNestedHVStatus.ps1

function Get-VmNestedHVStatus {
    param($VM)
    foreach ($item in $VM) {
        try {
            Get-VM $item -ErrorAction Stop | Select-Object -ExpandProperty extensiondata | Select-Object -ExpandProperty config | Select-Object Name,NestedHVEnabled
        } catch {
            Write-Warning -Message $_
        }
    }
}