SCCM 2012 - WQL Query for machines with a valid Hardware Scan in the last x days
If you would like to identify the machines that have had a valid hardware inventory scan within the last x amount of days, you can use this WQL query as per below.

 select  
      SMS_R_System.Name,   
      SMS_G_System_WORKSTATION_STATUS.LastHardwareScan   
 from SMS_R_System  
      inner join SMS_G_System_WORKSTATION_STATUS  
      on SMS_G_System_WORKSTATION_STATUS.ResourceId = SMS_R_System.ResourceId  
      where DateDiff(dd,SMS_G_System_WORKSTATION_STATUS.LastHardwareScan,GetDate() ) <= 15

This query is defaulted to 15 days, however you can just change this number to reflect the amount of days you want to look back on.

If you have any problems with this query, please leave a comment below.

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