Damn. Then i don't know what's going on: [jrf@vahclq01ldap tmp]$ cat testiserv.mod dn: cn=testusr,dc=xxxx,dc=xx changetype: modify replace: mdlastlogintime mdlastlogintime: 20160215133951.842 - [jrf@vahclq01ldap tmp]$ ldapmodify -v -h vahclq01ldap -p 389 -D "uid=me,dc=xxx,dc=xx" -y passfile -f testiserv.mod ldap_initialize( ldap://vahclq01ldap:389 ) replace mdlastlogintime: 20160215133951.842 modifying entry "cn=testusr,dc=xxxx,dc=xx" ldap_modify: Invalid syntax (21) additional info: mdlastlogintime: value #0 invalid per syntax -- 389 users mailing list 389-users@%(host_name)s http://lists.fedoraproject.org/admin/lists/389-users@xxxxxxxxxxxxxxxxxxxxxxx