However, there is a specific bit in the (the first two characters) that determines if the address is a "universally administered address" (burned into the card by the factory) or a "locally administered address" (manually set by you).
Expand and right-click your wireless card (e.g., Intel Wi-Fi 6), then select Properties .
The Immutable Octet: Troubleshooting First-Octet Failures in MAC Address Spoofing for Wireless Adapters However, there is a specific bit in the
If Windows fails, use specialized tools like Technitium MAC Address Changer (TMAC), which automatically guides you on valid address generation 0.5.4 . Open TMAC. Select your Wi-Fi adapter. Click .
ipconfig /all | findstr /i "Physical"
Click and restart your Wi-Fi adapter by disabling and re-enabling it in the Network Connections settings. Questions about UC/MC bits in first octet of a MAC-address
: Assigned by the manufacturer at the factory. Open TMAC
This article explains why the first octet matters, what values work, and how to successfully spoof a wireless MAC address.
Windows 10 and 11 have a built-in feature called "Random Hardware Addresses." If this feature is turned on, it will conflict with your manual software modifications. Go to . Turn Off the toggle for Random hardware addresses . Conclusion ipconfig /all | findstr /i "Physical" Click and
Troubleshooting MAC Address Spoofing Failures on Wireless Adapters: The Critical First Octet