WMI Right on a Windows 2008 Domain Controller for a non administrator

Hi,

I Have a Domain controller, and i Want to have access to the WMi Class, with a non administrator

I give the right to

I have no UAC, And no Firrewall blocking the traffic.

I Have give the right to DCOM .

But I have got access th WMI. Off course If My WMIuser in menber of "Domain\administrators", I have access to all the Class.

Have you got a Idea , to give the right, for a DC, for a non administrator.

Best Regards