Failed To Change Mac Address For Wireless Network Connection Set The First Octet Work Jun 2026

If the software previously crashed while changing the address, the registry value might be stuck.

Here is how to fix it.

: Windows specifically restricts wireless MAC changes to those matching the patterns X2, X6, XA, or XE for the first octet. How to Make the First Octet Work If the software previously crashed while changing the

If your MAC address starts with 00, 11, or any other combination, the driver may fail to accept it because it flags it as a conflict or an invalid universal address. How to Make the First Octet Work If

While changing an Ethernet (wired) MAC address on Windows is usually seamless, wireless adapters face strict limitations. 1. Microsoft’s Hardcoded Driver Restrictions Locally Administered Address

Scroll through the Property list and look for , Locally Administered Address , or MAC Address . Select the Value radio button.

: Click "OK" to apply the changes. Restart your computer or disable and re-enable the network adapter to ensure the change takes effect.