Enforce custom attribute uniqueness
- In the Admin Console, go to .
 - Click Okta in the Filters list.
 - For Okta User (default), click Profile. If Profile is unavailable, click User (default).
 - Click Custom in the Filters list.
 - Scroll to the custom attribute you want to mark as unique.
 - Click Edit.
 - Select Value must be unique for each user. While the validation process to verify that the existing data is unique is running, this checkbox is unavailable.
 - Click Save Attribute.
 
A status message on the Profile Editor page displays the validation progress and status.
