If two or more identical devices (for example, network or SCSI adapters) are installed and you use Device Manager to update one device, the new driver is installed and the driver information (provider, date, and version) is updated. The new driver is used by all the identical devices. However, the driver information for other identical devices is not updated. The following registry entry is updated for the selected driver only:
HKLM\System\CurrentControlSet\Control\Class\{ClassGUIDforDevice}\000X
If you check the driver details for one of the identical devices, you see the original driver information even though the device is using the new common driver.