Following article describe how to configure Active Directory authentication on SQL Server running in Red Hat operating system using Red Hat Enterprise Linux Identity Management
Tutorial: Configuring Red Hat Enterprise Linux to allow Active Directory users to login to Microsoft SQL Server 2019 leveraging a trust-level setup between Red Hat Enterprise Linux Identity Management and Microsoft Active Directory.
https://access.redhat.com/articles/4094741
Recently we found on SQL Server managed by Red Hat Enterprise Linux Identity Management, if we execute a high privileged command like create user first time it succeeds, if we try to add the user second time it fails