"Windows 8.1 has a 'feature' that restricts the values you can set the mac address on a wireless network adapter... you are still only able to change the address to values that match the following patterns: X2-XX-XX-XX-XX-XX, X6-XX-XX-XX-XX-XX, XA-XX-XX-XX-XX-XX, XE-XX-XX-XX-XX-XX."
00:XX:XX:XX:XX:XX (Attempts to use a global unique manufacturer address) How to Fix: Step-by-Step
Type your new 12-character MAC address spaces, colons, or dashes.
A MAC (Media Access Control) address is a 48-bit identifier assigned to network interfaces. It is usually written as 12 hexadecimal digits, grouped into six pairs. Each pair is called an . "Windows 8
Many network interface cards (NICs) or network drivers will reject a spoofed MAC address if it is invalid or violates specific networking rules.
that trigger the error:
A MAC address is a 12-character hexadecimal string divided into six "octets" (e.g., 00:1A:2B:3C:4D:5E ). It is usually written as 12 hexadecimal digits,
Inside this key, you will see several subkeys labeled as 4-digit numbers (e.g., 0001 , 0002 ). Click through each subkey and look at the value in the right pane to find your wireless network card.
Disconnect from your Wi-Fi network and reconnect, or restart your computer to force the changes into effect. Method 2: Using the Windows Registry
ip link show wlan0 # Linux getmac /v # Windows ifconfig en0 # macOS that trigger the error: A MAC address is
Wait 5 seconds, right-click again, and select .
Example: 02A1B2C3D4E5 (Notice the 2 as the second character). Click to apply.