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Error: Unable to delete member <username>. Multifactor authentication support for the organization requires that you maintain at least two Administrators

Error Message

When an ArcGIS Online Organization Administrator attempts to delete a member from the organization, the following error appears:

Error:   
Unable to delete member <username>. Multifactor authentication support for the organization requires that you maintain at least two Administrators.
Screenshot of error.

Cause

The member is a Designated Administrator for multifactor authentication, and cannot be deleted if deleting leaves less than two Designated Administrators in the Organization.

Solution or Workaround

Remove the member as a Designated Administrator for multifactor authentication before deleting. The steps below describe how to remove a Designated Administrator in ArcGIS Online.

  1. Log in to ArcGIS Online with the Administrator role.
  2. Click Organization.

    Screenshot of ArcGIS Online with Organization highlighted.
     
  3. In the Overview page, click the Settings tab.

    Screenshot of the Organization page with Settings highlighted.
     
  4. Click Security.

    Screenshot of the Settings side panel with Security highlighted.
     
  5. Go to the Multifactor Authentication section and click the name of the member to remove them from the Designated Administrators list.

    Screenshot of Multifactor Authentication with the member name under Designated Administrators highlighted.
Note: 
An organization is required to have at least two Designated Administrators for multifactor authentication. If removing a member as a Designated Administrator leaves the organization with less than two Designated Administrators, ensure there is a replacement for the removed member. A Designated Administrator can be added by clicking a name on the Administrators list.
  1. After removing the member as a Designated Administrator, delete the member from the Organization.

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