For anyone interested: after some furhter troubleshooting, I found the error.  
The password I was passing was incorrect.  What I found interesting is that 
even though the password was incorrect, the bind function still worked.  I'm 
thinking that it logged me in as anonymous at that stage.

>Our organization is migrating away from Novell E-directory to MS Active 
>Directory.  I have a php class that allows me to run various queries on our 
>e-directory ldap server which I am working to convert to AD.  However, I'm 
>running into an error that i cannot figure out.  I have updated the base_dn to 
>point tothe correct location (verified by a third party ldap browser).  Also 
>added a username and password since our AD environment doesn't allow anonymous 
>queries.  The error I get is 
>
>Warning: ldap_search() [function.ldap-search]: Search: Operations error in 
>/var/www/html/intranet/_php/class.ldap_test.php on line 149
>
>On that line I have this line of code
>$result = ldap_search($this->conn,$this->base_dn,$filter);
>
>Where $this->conn evaluates to Resource id #3, $this->base_dn is the correct 
>dn (ou=something,dc=domain,dc=domain_part_2) and $filter is cn=myusername
>
>Can anyone shed some light on this?  Below is the entire method from the 
>class.
>
>       function connectldap($filter,$override=false) {
>               //connect to the server
>               $this->conn = ldap_connect($this->server);
>               
>               //if the connection failed, set the error message
>               //and return false
>               if(!$this->conn) {
>                       $this->errMsg[] = "Unable to connect to server\n";
>                       return false;
>               }
>               //ldap_set_option($this->conn, LDAP_OPT_PROTOCOL_VERSION, 3);
>               //bind the connection.  This function will perform an
>               //anonymous query to get the full 
>               $bind = @ldap_bind($this->conn,$this->ldap_user,$ldap_passwd);
>               if(!$bind) {
>                       $this->errMsg[] =  "Unable to bind to server\n";
>                       return false;
>               }
>               echo "<p>$filter - " . $this->conn . " - " . $bind . " - " . 
> $this->base_dn 
>. "</p>\n";
>               //run the ldap query
>               $result = ldap_search($this->conn,$this->base_dn,$filter);
>               //if the search failed, then return false and set the error 
> message
>               if(!$result) {
>                       $this->errMsg[] =  "Search failed - " . 
> ldap_error($this->conn) . "\n";
>                       return false;
>               }
>               //get the entries and store them in a variable
>               $info=ldap_get_entries($this->conn,$result);
>               
>               //if the number of entries reutnred is zero, then the user
>               //could not be found in the ldap server
>               if($info["count"] == 0) {
>                       $this->errMsg[] =  "User Unknown\n";
>                       return false;
>               }
>               //otherwise, if the number of entries found is greater than 1, 
> then
>               //more than one object was found.
>               elseif($info["count"]>1 && !$override) {
>                       $this->errMsg[] =  "There was more than one user 
> found\n";
>                       return false;
>               }
>               else {
>                       return $info;
>               }
>       }
>
>Thank you,
>Robbert van Andel
>
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