How do I authenticate Red Hat Enterprise Linux to Active Directory using SSSD? Updated 2015-03-18T03:24:03+00:00 Contents Important Notice GUI method CLI method Initial configuration Confirm which version of SSSD is installed. Configuring sssd-1.9.2 or Above for Active Directory Authentication Configure Kerberos Configuring Kerberos with DNS set up for Active Directory Configuring Kerberos when DNS is not set up for Active Directory Configure Samba Configure SSSD First Method Second Method Less common SSSD configuration options Joining AD and creating a keytab Configuring sssd 1.8.0 or Below for Active Directory Authentication User Bind GSSAPI Bind Extra Features expire policy Access control ldap filter Note on SID ranges Firewall Ports required to be Open Subscriber content preview. For full access to the Red Hat Knowledgebase, please log in.Not a subscriber? Learn more about the benefits of Red Hat Subscriptions.