HDD Totals and RAM totals not displayed

HDD Totals and RAM totals not displayed

Hi guys,
 
I seem to be having a issue on our reports with a few servers.
 
I call the 2 objects in a sql script while drawing a report.
 

OpManagerObject

. RAMSIZE as RamTotalMB
 
and
 

OpManagerObject

.HARDDISKSIZE as HardDiskTotalGB

 
Most servers have this data but some dont.
The usage report for ram utilization and disk utilization is correct.
i also draw the free and use disk space on each machine and its also correct.
 
Most servers are windows and are using WMI to collect the data.
 
I have tried "Actions > Rediscover Device" but that didnt help.
 
 
Is there a way that i can get the opmanager server to rediscover the devices hardware with out removing it and adding it again? 
 
Also
 
Is there a pane in opmanager that will show us the hardware details of a device eg. CPU Cores, RAM total, and HDD's

 

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