Inventory Serial Numbers

Where does Inventory pull the machine serial number from?  I assumed it was from the BIOS (assuming the bios listed it at all).  I have a bunch that are showing duplicate serial numbers that I can only guess is the result of being cloned.  But if that is the case then the SN isn't coming from bios, it is coming from something in the software.

I'm trying to find out so I can fix all the duplicate serial numbers to show the actual serial numbers.



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  • I think it uses the SerialNumber field of the Win32_BIOS WMI class, but it's been a while since I dug into that, so I could be wrong.

    Get-CimInstance Win32_BIOS | Select-Object SerialNumber

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