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How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

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These are instructions on how to fix the 'Computer account creation failed' error when installing macOS Big Sur. This message can occur during the initial setup wizard that helps you create a user account for your Mac.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install


Step One
Shut down your Mac and boot into Recovery Mode. On an Apple Silicon Mac you can do this by pressing and holding down the power button until you see a "Loading startup options..." message.

Step Two
Choose Options then select your language if prompted to continue.

Step Three
Select Terminal from the Utilities menu.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

Enter the command 'resetpassword' into Terminal and hit Enter.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install


Step Four
Chose Erase Mac from the Recovery Assistant menu at the top left of your screen.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

Click Erase Mac in the center window to continue.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

Select Erase Mac from the popup window to confirm.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install


Step Five
Your Mac will now be erased and will reboot to an Activate Mac window. Select your Wi-Fi network at the top right of the display.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

Enter your Wi-Fi password and click Join.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

Click Next to activate your Mac then once activated, click Exit to Recovery Utilities.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install


Step Seven
Choose Reinstall macOS Big Sur from the Recovery menu.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install


Step Eight
Go through the installation process and setup wizard as normal. Now when you create a computer account, you should not received the 'Computer account creation failed' error.

How to Fix 'Computer Account Creation Failed' During macOS Big Sur Install

[Thanks: Darrell]

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