02:1A:2B:3C:4D:5E
If your previous attempt failed, follow these steps using the "Power of 2" rule for the first octet.
Scroll through the Property list and look for , Locally Administered Address , or MAC Address . Select the Value radio button. Windows and many Wi-Fi drivers enforce strict rules
Windows and many Wi-Fi drivers enforce strict rules for software-assigned addresses To fix this, the second character of your new MAC address must be 2, 6, A, or E GeeksforGeeks Why this happens MAC addresses use a specific bit in the first octet (the
The MAC address is typically written in the format XX:XX:XX:XX:XX:XX , where each X is a hexadecimal digit. Some network administrators or users might need to change their device's MAC address for various reasons, such as network configuration requirements or troubleshooting. vasexperts
) to distinguish between a manufacturer's permanent address and a locally assigned one. vasexperts.com Manufacturer Address: This bit is set to 0. Locally Administered Address (LAA):
(using ip link or macchanger ).
If you have set the first octet correctly (e.g., starting with 02 ) and you are still getting an error, here are two common culprits:
Expand and right-click your wireless card (e.g., Intel Wi-Fi 6), then select Properties . " you succeeded.
When you manually set a MAC address for a wireless card in Windows, you cannot choose just any random string of characters. Most modern Wi-Fi drivers enforce a rule based on the Institute of Electrical and Electronics Engineers standards.
Then confirm the address is indeed locally administered by checking the first octet’s second bit. Use an online OUI lookup tool – if it says "IEEE Registration Authority" or "Locally administered," you succeeded.