Query based versus Direct membership: Direct membership rules should be created when you want to target a very specific user or SMS client. Direct membership rules are not automatically updatable; therefore, any change of targeted resources is a manual process. If a targeted resource(workstation) is removed from the site database, the associated direct membership rules…

  There are cases,where a computer might be added to different collection and it would be difficult to find out the computer is member of which collections.Try this report to list all the collection the computer member of. select a.CollectionId, b.Name from dbo.v_R_System r join dbo.v_FullCollectionMembership a on R.ResourceID = a.ResourceID join dbo.v_Collection b on…