Click and restart your computer or disable/re-enable the Wi-Fi adapter. Method 2: Using Third-Party Tools (TMAC)
Example: 2C:54:91:88:C9:3E
Disable and re-enable your Wi-Fi card if the network fails to pull a new local IP address immediately. Click and restart your computer or disable/re-enable the
Now check with ipconfig /all again. The new MAC should appear. Click and restart your computer or disable/re-enable the
If you still see "failed to change mac address... set the first octet work," consider: Click and restart your computer or disable/re-enable the
Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4d36e972-e325-11ce-bfc1-08002be10318