Microsoft Entra ID · Remaining Built-in Roles

Domain Name Administrator

Can manage domain names in cloud and on-premises including adding, verifying, and removing custom domains.

Scope: Custom domain management including verification, configuration, and removal

Permissions

  • Full domain management
  • Add new domains
  • Remove domains
  • Read domain properties
  • Update domain settings
  • Configure domain federation
  • Verify domain ownership
  • Add and verify custom domain names
  • Configure DNS records for domains
  • Remove domains from tenant

Common use cases

  • Custom domain configuration for the tenant
  • Domain verification and DNS setup
  • Multi-domain tenant management
  • Domain federation configuration
  • UPN suffix management
  • Email domain configuration
  • Vanity domain setup

Best practices

  • Coordinate with DNS team for verification
  • Document all domain configurations
  • Verify DNS propagation before verification
  • Plan domain removal carefully
  • Consider impact on user UPNs
  • Use PIM for just-in-time access
  • Test federation in non-production first

Security considerations

  • Domain changes affect user identity
  • Domain removal can impact authentication
  • Federation configuration is security-sensitive
  • Coordinate with Hybrid Identity Admin
  • Audit domain configuration changes
  • Alert on domain additions or removals

Official Microsoft Learn documentation →

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