Here is a helpful guide on why this happens and how to fix it.
On the "Activation Failed" screen, go to the top left and select > Erase Mac . activate mac failed to create activation request
After the reboot, reconnect to Wi-Fi. Wait about ; the Mac may then activate successfully on its own. 4. Advanced Troubleshooting Here is a helpful guide on why this
If basic troubleshooting fails, you may need to clear the device's state or use secondary tools: reconnect to Wi-Fi. Wait about