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

If you try to set a MAC whose first octet is, for example, 01 (multicast) or 00 (globally unique with LAA=0), some drivers will refuse or silently ignore the change.

Changing a network interface’s MAC (Media Access Control) address—often called MAC spoofing—is a common practice for privacy, network testing, or bypassing access controls. While the process is straightforward on wired Ethernet adapters, wireless (Wi-Fi) adapters frequently reject manual changes. One of the most frustrating and poorly documented failure points is the (the first two hexadecimal digits) of the MAC address. If this octet is set incorrectly, the operating system or wireless driver will silently revert to the original hardware address or throw a generic "failed to change" error. If you try to set a MAC whose

Go to Device Manager > Network Adapters > [Your Card] > Advanced. Look for "Network Address" or "Locally Administered Address." If it isn't there, your driver likely doesn't support manual spoofing. One of the most frustrating and poorly documented