← All Kali Issues
Macchanger
Cannot change MAC
N Network
Medium
🔴 Error Message
MAC address change failed on interface
📖 What This Means
Interface must be down to change MAC.
🔧 Step-by-Step Fix
- Down first: sudo ip link set wlan0 down
- Change: sudo macchanger -r wlan0
- Up: sudo ip link set wlan0 up