Turn On 2SV

  1. In your Google Admin console (at admin.google.com)...
  2. Go to Security > Basic settings.
  3. Under Two-step verification, verify that Allow users to turn on 2-step verification is checked. If not, check it and click Save.
  4. Click Go to advanced settings to enforce 2-step verification.

Select a date to enforce 2SV in order to give users ample time to enroll this out.