note 87503 added to function.ldap-add

Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server: Protocol error in /Users/admin/Sites/a.php on line 8 ldap_bind failed <?php $server='192.168.0.19'; $username='cn=admin'; $password='pa55word'; $ds=ldap_connect($server); if ($ds) { $r=ldap_bind($ds, $username, $password); if(!$r) die("ldap_bind failed<br>"); echo "ldap_bind success"; ldap_close($ds); } can someone please point me in the right direction. I am using a mac osx server and i keep getting this protocol error or dn error and can not make the php script work ---- Server IP: 209.41.74.194 Probable Submitter: 64.119.88.66 ---- Manual Page -- http://www.php.net/manual/en/function.ldap-add.php Edit -- https://master.php.net/note/edit/87503 Del: integrated -- https://master.php.net/note/delete/87503/integrated Del: useless -- https://master.php.net/note/delete/87503/useless Del: bad code -- https://master.php.net/note/delete/87503/bad+code Del: spam -- https://master.php.net/note/delete/87503/spam Del: non-english -- https://master.php.net/note/delete/87503/non-english Del: in docs -- https://master.php.net/note/delete/87503/in+docs Del: other reasons-- https://master.php.net/note/delete/87503 Reject -- https://master.php.net/note/reject/87503 Search -- https://master.php.net/manage/user-notes.php