I have checked the files that you told me: check /etc/php5/apache2/php.ini ---> ldap doesn't appears anywhere /etc/php5/apache2/conf.d/ldap.ini --> i can't find ldap.ini in conf.d folder!!!! if i have to re-install everything, is there anything that must be installed first?? I have 3 versions of BerkeleyDB, and i don't delete any of them because it will affect the entire system...could this be affecting the php5-ldap installation?? thank u, Dámaris.