Hi Birgit, >> Feb 5 12:31:43 st39ldap01 ns-slapd: pam_krb5[12937]: authentication >> fails for 'k.thormann' (k.thormann at ST.REDCROSS.OR.AT): Authentication >> failure (Looping detected inside krb5_get_in_tkt) Is there anything in the KDC logs? Regards Johannes