content/admin/managing-iam/using-built-in-authentication/disabling-unauthenticated-sign-ups.md

metadata

title: Disabling unauthenticated sign-ups
redirect_from:
  - /enterprise/admin/articles/disabling-sign-ups
  - /enterprise/admin/user-management/disabling-unauthenticated-sign-ups
  - /enterprise/admin/authentication/disabling-unauthenticated-sign-ups
  - /admin/authentication/disabling-unauthenticated-sign-ups
  - >-
    /enterprise/admin/authentication/authenticating-users-for-your-github-enterprise-server-instance/disabling-unauthenticated-sign-ups
  - >-
    /admin/identity-and-access-management/authenticating-users-for-your-github-enterprise-server-instance/disabling-unauthenticated-sign-ups
  - >-
    /admin/identity-and-access-management/using-built-in-authentication/disabling-unauthenticated-sign-ups
intro: >-
  If you're using built-in authentication for {% data
  variables.location.product_location %}, you can block unauthenticated people
  from creating new user accounts on your instance.
permissions: >-
  Site administrators can disable unauthenticated sign-ups on a {% data
  variables.product.prodname_ghe_server %} instance.
versions:
  ghes: '*'
type: how_to
topics:
  - Accounts
  - Authentication
  - Enterprise
  - Identity
shortTitle: Block unauthenticated sign-up

About unauthenticated sign-ups

{% data reusables.enterprise_user_management.built-in-authentication-new-accounts %} {% data reusables.enterprise_user_management.unauthenticated-sign-ups %} You can disable unauthenticated sign-ups and require an invitation to create a new user account on your instance.

{% data reusables.enterprise_user_management.alternatively-enable-external-authentication %}

Disabling unauthenticated sign-ups

{% data reusables.enterprise_site_admin_settings.access-settings %} {% data reusables.enterprise_site_admin_settings.management-console %} {% data reusables.enterprise_management_console.privacy %}

1. Deselect Enable sign-up. {% data reusables.enterprise_management_console.save-settings %}