WMI tips-obtain the MAC address, CPU, motherboard, and hard disk serial number of the NIC

MAC address of the NIC

Select macaddress from win32_networkadapter where (macaddress is not null) and (manufacturer <> 'Microsoft '))

Result: 08: 00: 46: 63: FF: 8C

Serial number of the CPU

Select processorid from win32_processor

Result: 3febf9ff00000f24

Motherboard serial number

Select serialnumber from win32_bios

Result: 28362630-3700521

Obtain the hard disk ID
String Hdid;
Managementclass cimobject = new managementclass ("win32_diskdrive ");
Managementobjectcollection MOC = cimobject. getinstances ();
Foreach (managementobject Mo in MoC)
{
Hdid = (string) Mo. properties ["model"]. value;

MessageBox. Show (Hdid );
}