OWSUG.ca

For full details see. http://social.technet.microsoft.com/Forums/en-US/configmgrsdk/thread/cf7d80a0-1a7c-430c-b33a-ee47a0efa806

select 
  CS.Name0,
  LCU.date
From 
  dbo.v_GS_COMPUTER_SYSTEM CS
  join (  Select 
        ResourceID, 
        max(LastConsoleUse0) as 'date' 
      from 
        dbo.v_GS_SYSTEM_CONSOLE_USER SCU 
      Group by 
        ResourceID) as LCU on CS.ResourceID = LCU.ResourceID
Where
  datediff(dd,LCU.date,getdate()) >14