Search Engine: Elastic

Article ID: 132770, created on Jun 13, 2018, last review on Jun 13, 2018

  • Applies to:
  • Operations Automation


An attempt to create a service user with the login fails with the error:

Domain part of login user1 already reserved by registered in Operations Automation domain


This is the expected behavior of OA. The domain is already hosted on another customer account, and therefore, cannot be used. For example, if the domain already exists on any account in OA, the platform prohibits creation of service users with the domain part on other accounts. This was made to avoid potential issues with provisioning same services, like email, on different accounts.


  • Use another login for the service user
  • Consider possibility to create the service user on the account, which owns the domain

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