Case: Specific users alone (support reps) when trying to login with AD login, the domain name changes to local authentication automatically.
Observation: When this user is not associated with the Default portal, their domain names changes to Local Authentication automatically.
Solution: Now this user must be associated with the Default Portal to fix this issue.
Associating the user once, the user can be removed from the default portal as well.
We identified this as an issue and it's provided with Issue ID # 6117 by our team. We will fix this issue in one of our upcoming hotfix releases. We appreciate your patience as we work on it.
You can track the status of the issue (ID) by clicking this link, for further updates you can check on this Readme.