I modify the file koha-conf.xml from /home/koha/koha-dev/etc/koha-conf-xml to allow Active Directory users log in Koha <config> ....... ...... ...... <useldapserver>1</useldapserver> <ldapserver id="ldapserver"> <hostname>192.168.29.169</hostname> <base>dc=kohatest,dc=com</base> <!-- kohatest is a domain which i create in active directory --> <user>cn=kohuser,dc=test,dc=com</user> <!-- DN, if not anonymous --> <pass>kohuser</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 comparuseison, e.g., to use Active Directory --> <principal_name>kohuser@kohatest.com</principal_name> <!-- optional, for auth_by_bind: a printf format to make userPrincipalName from koha userid --> <mapping> <!-- match koha SQL field names to your LDAP record field names --> <firstname is="givenname" ></firstname> <surname is="sn" ></surname> <address is="postaladdress" ></address> <userid is="uid" ></userid> <password is="userpassword" ></password> <email is="mail" ></email> <categorycode is="employeetype" >PT</categorycode> </mapping> </ldapserver> </config> when inserted in the browser address error occurs Software error: /home/koha/koha-dev/etc/koha-conf.xml:217: parser error : Opening and ending tag mismatch: pass line 203 and ldapserver </ldapserver> ^ /home/koha/koha-dev/etc/koha-conf.xml:222: parser error : Comment not terminated ^ /home/koha/koha-dev/etc/koha-conf.xml:222: parser error : Premature end of data in tag pass line 203 ^ /home/koha/koha-dev/etc/koha-conf.xml:222: parser error : Premature end of data in tag ldapsever line 199 ^ /home/koha/koha-dev/etc/koha-conf.xml:222: parser error : Premature end of data in tag config line 179 ^ /home/koha/koha-dev/etc/koha-conf.xml:222: parser error : Premature end of data in tag yazgfs line 2 ^ at /usr/lib/perl5/XML/LibXML/SAX/Parser.pm line 38 BEGIN failed--compilation aborted at /home/koha/kohaclone/C4/Auth.pm line 28. Compilation failed in require at /home/koha/kohaclone/opac/opac-main.pl line 22. BEGIN failed--compilation aborted at /home/koha/kohaclone/opac/opac-main.pl line 22.