Description of problem: On local machine is installed windows server 2003 with configured active director. I installed Debian on another machine, here I installed Koha 3.2 which still works well. Koha have configured to use a active directory ldap server. I test this ldap server with Softerra LDAP Browser and it works, to test this ldap server I use a credentials: cn=Administrator,cn=Users,dc=koha,dc=local, password: Q1W2e3r4. koha-conf.xml contents: <yazgfs> .............. <config> .......................... <memcached_servers></ memcached_servers> <memcached_namespace></memcached_namespace> <useldapserver>1</useldapserver> <ldapserver id="ldapserver"> <hostname>192.168.11.90:389</hostname> <base>dc=koha,dc=local</base> <user>cn=Administrator,cn=Users,dc=koha,dc=md</user> <pass>Q1W2e3r4</pass> <replicate>1</replicate> <update>1</update> <auth_by_bind>1</auth_by_bind> <principal_name>%@koha.local</principal_name> <mapping> <firstname is="givenName" ></firstname> <surname is="sn" ></surname> <address is="postalAddress" ></address> <city is="l" ></city> <branchcode is="" >MAIN</branchcode> <userid is="sAMAccountName" >Administrator</userid> <password is="userPassword" ></password> <categorycode is="">PT</categorycode> </mapping> </ldapserver> </config> </yazgfs> When I try to log in OPAC module, I give a error "Invalid username or password"! -- View this message in context: http://koha.1045719.n5.nabble.com/Koha-ldap-authentification-tp4383836p43838... Sent from the Koha - Discuss mailing list archive at Nabble.com.