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@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