Is there any way to add win32_perfrawdata_mssqlserver_* classes into the WMI repository?

When I try to run a query using the win32_perfrawdata_mssqlserver* classes on WBEMTEST under the root\cimv2 I got the...

Great, thanks! It worked!

The problem now is when I run the wbemtest and execute anything on the query (ex: "select * FROM win32_perfrawdata_mssqlserver_sqlserverbuffermanager"), shows the following error:

Number: 0x80041010

Facility: WMI

Description: Invalid...

Ok, I'll check the article!

Thanks for the reply!