When prompted, enter your Mac’s password and press Enter (Terminal doesn’t show the password you type).Sudo rm /Library/Preferences/SystemConfiguration/ist Open Terminal ( Applications > Utilities > Terminal), copy and paste the following command, and press Enter:.
Note: You need to register & sign in before you block the outgoing connectIons and apply the serial.Īfter upgrading a Mac to Big Sur, the “Network initialization failed” message appears when starting a virtual machine.