Right, the auth from non-windows was a separate organizational hurdle we had to overcome, there was real hesitancy about not using a GMSA windows user to auth with SqlServer.
When you say "local mssql account is required" do you mean a user or some other entity on the linux client? Or do you mean an mssql user that the client with authenticate as?
Two more questions (if you see this, I know it's been a few days), are you running SQL Server on Linux or Windows? And are you using encrypted connections?
When you say "local mssql account is required" do you mean a user or some other entity on the linux client? Or do you mean an mssql user that the client with authenticate as?