Unable to turn off 2-Step Verification

When trying to turn off 2-Step Verification for a specific user you get an error message:

Failed to turn off 2-Step Verification

• Admin console
• Security

1. Sign to the Google Admin console.
2. Navigate to Directory > Users.
3. Above the Users list, click Add a filter and choose User status.
4. Check the Suspended box and click Apply.
5. In the Users list, hover over the suspended user and click More options > Reactivate.
   • Tip: You can also find this option on the user's account page.
6. To confirm, click Reactivate.

The user must be active in order for 2-Step Verification to be turned off.