Using PHP 4.2.3 with IIS 5 and Win2k Server. My confs are:$ldap_srvr = 'servername' ;$ldap_port = 389;$ldap_con = ldap_connect($ldap_srvr, $ldap_port);$ldap_rdn = "username";$ldap_pwd = "__password__"; $ldap_vbind = ldap_bind($ldap_con, $ldap_rdn, $ldap_pwd);$base_dn= 'CN=username,CN=Users,DC=domain,DC=org,DC=us' ;$ldap_filter= 'objectClass=*';$info['mail']='username@domain.org.us';ldap_mod_add($ldap_con, $base_dn, $info);ldap_add($ldap_con, $base_dn, $info);this generate an error: - Warning: LDAP: modify operation could not be completed. in ldap_modify($ldap_con, $base_dn, $info);this function corretly.It?s all.