For a system using the X8DAi motherboard with the Windows XP SP3 OS, the on-board LAN MAC address erases after the Intel driver 15.1 installation. The on-board LAN MAC address becomes 00-00-00-00-00-00. Do you know why this happens?
Please update the LAN driver to version 15.3 to fix the problem.
https://www.supermicro.com/wdl/driver/LAN/Intel/