[Koha] ldap

[vinod kumar]

Dear All

ldpa with koha show the error

opac-user.pl: LDAP connexion failed

my conf file sample
<hostname>ldap://hostname</hostname>

 <base>DC=name,DC=NET</base>

 <user>CN=koha,CN=Users,DC=name,DC=name</user>             <!-- DN, if not
anonymous -->
 <pass>1234</pass>        <!-- password, if not anonymous
-->
 <replicate>1</replicate>       <!-- add new users from LDAP to Koha
database -->
 <update>1</update>             <!-- update existing users in Koha database
-->
 <auth_by_bind>1</auth_by_bind> <!-- set to 1 to authenticate by binding
instead of
                                     password comparison, e.g., to use
Active Directory -->
 <pricipal_name>%s at domainname</pricipal_name>
 <mapping>             <!-- match koha SQL field names to your LDAP record
field names -->
                <firstname    is="givenName"      ></firstname>
                <surname      is="sn"             ></surname>
                <address      is=""               ></address>
                <city         is="l"                     ></city>
                <zipcode      is=""               ></zipcode>
                <branchcode   is="branch"         ></branchcode>
                <userid       is="sAMAccountname" ></userid>
                <password     is="userPassword"   ></password>
                <email        is="mail"           ></email>
                <categorycode is="employeetype"   >S</categorycode>
                <phone        is="telephonenumber"></phone>
plz suggest me how to reslove this issue