PDC net groupmap - adding to a Windows...

I am using a 10.4.2 Server as a Master OD for all my computers and as a PDC for my Windows computers. I created a group in WGM named Domain Power Users and all my win boxes are members of my domain. I figured out how to add my network domain users group and domain admin group to the built-in Users and Administrators groups on Win boxes but how do I add another network domain group to the built-in Power Users group on a Win box?

Whenever I try to add a group to the built-in Power Users group on a Win box, I get an error message from the Windows client stating: Information returned from the object picker for object "Domain Power Users" was incomplete. The object will not be processed.

Can anyone help me add a network domain group to the built-in Power Users group on a Win box?

I did use the “net groupmap add and modify” to try to do this but got the error message I mentioned earlier.

Thanks