_Pass on User Names
In order for user names to be recognized and passed on, you must configure two settings beforehand:
Enable using Active Directory/Kerberos under Security > Active Directory/Kerberos. For details, see Active Directory/Kerberos Configuration in IGEL OS 12
Enable local logon under Security > Logon > Active Directory/Kerberos. For details, see Active Directory/Kerberos - Enable Login in IGEL OS 12