Is there a specific condition or event that has to exist\occur for a workstation to assign to a Dynamic Group. For example. I cannot get this one workstation to assign automatically in the Windows XP Workstations (Dynamic Group).

When you choose "preview members" the workstation did show up, but not in the Group itself.

I recreated the Dynamic Group and chose to filter for Operating System - Product - Equal to- Windows XP Professional and the workstation does not show up in either the group or "preview members" now.

Any help will be greatly appreciated.