: If a motherboard firmware update or an accidental formatting corrupts the network adapter, its MAC address might reset to 00:00:00:00:00:00 or FF:FF:FF:FF:FF:FF . This tool restores the factory-assigned address.
What specific are you configuring (e.g., i225-V, i226-LM, XL710)? What error code or symptom are you trying to fix?
Example: Reading all MAC addresses
Here are the essential commands that demonstrate eeupdate64eefi works in practice: eeupdate64eefi work
The utility is typically used during hardware manufacturing, mother board repairs, or deep network troubleshooting. Its core functionalities include:
When eeupdate64eefi finishes, it returns an exit code that tells you what happened:
As modern server and desktop architectures have moved away from Legacy BIOS (which ran the older eeupdate.exe DOS tool), eeupdate64e.efi serves as the standard solution for 64-bit UEFI-only systems. Why Use the UEFI Shell Version? : If a motherboard firmware update or an
: Certain enterprise motherboards lock down the network sub-system at the BIOS level. If the utility returns an access control error, check your motherboard firmware to ensure peripheral writing permissions are globally unblocked.
# From UEFI shell Shell> fs0: FS0:\> cd EFI\eeupdate FS0:\EFI\eeupdate\> eeupdate64eefi -nic=1 -dump FS0:\EFI\eeupdate\> eeupdate64eefi -all -dump FS0:\EFI\eeupdate\> eeupdate64eefi -nic=2 -f new_firmware.bin FS0:\EFI\eeupdate\> eeupdate64eefi -nic=1 -mac=001122334455
: Users should carefully follow any instructions provided by Intel or the system manufacturer during the update process. What error code or symptom are you trying to fix
This writes directly into the LAN controller's EEPROM/NVM layer, resetting the primary physical signature permanently. 2. Flashing or Updating NVM Firmware Images
All four commands execute in sequence, programming the MAC addresses in one automated pass.
Download a standard UEFI Shell binary (often named Shell.efi or bootx64.efi ) and place it in that folder.
The tool belongs to the Intel Network Connections Tools suite (often distributed via Intel's Resource & Design Center). The "64e" denotes a 64-bit executable environment, while the .efi extension indicates it runs inside a Unified Extensible Firmware Interface (UEFI) Shell.