Hi, I have a new schema file with the below entries, [root@host128 schema]# cat local.schema attributeType: ( 2.16.840.1.113730.3.1.241 NAME 'passworduser' DESC 'Custome Testing' SYNTAX 1.3.6.1.4.1.146.6.115.121.1.40 SINGLE-VALUE X-ORIGIN 'user defined' ) objectClass: ( 2.16.840.1.113730.3.2.2 NAME 'custome' SUP top STRUCTURAL MUST passworduser) Added in slapd.conf and restarted. trying to add below ldif file. dn: uid=guest20,ou=People,dc=example,dc=com uid: guest20 cn: guest20 objectClass: account objectClass: posixAccount objectClass: top objectClass: shadowAccount objectClass: passworduser passworduser: {crypt}$1$gFu78wyt$F1VXME32hviAXfrHDuObi/ shadowLastChange: 13473 shadowMax: 99999 shadowWarning: 7 loginShell: /bin/bash uidNumber: 600 gidNumber: 600 homeDirectory: /home2/guest20 dn: cn=guest20,ou=Group,dc=example,dc=com objectClass: posixGroup objectClass: top cn: guest20 userPassword: {crypt}x gidNumber: 600 Throws the below error message. [root@host128 schema]# ldapadd -f /root/ldif1 SASL/GSSAPI authentication started SASL username: guest2(a)TEST.EXAMPLE.COM SASL SSF: 56 SASL installing layers adding new entry "uid=guest20,ou=People,dc=example,dc=com" ldap_add: Invalid syntax (21) additional info: objectClass: value #4 invalid per syntax If anyone can pinpoint what is wrong, I would appreciate. Regards, Sadique