Win32_LogicalMemoryConfiguration在win7下无法使用

strComputer = "."

Set objSWbemServices = GetObject("winmgmts:\" & strComputer)
Set colSWbemObjectSet = _
objSWbemServices.InstancesOf("Win32_LogicalMemoryConfiguration")

For Each objSWbemObject In colSWbemObjectSet
Wscript.Echo "Total Physical Memory (kb): " & _
objSWbemObject.TotalPhysicalMemory
Next
这段代码在win7下无法运行报错(null): 0x80041010 在win2003下可以运行，win7下已经取消此类