Active Directory Integration / LDAP Integration for Intranet sites plugin provides login to Drupal using credentials stored in your LDAP Server . It allows users to authenticate against various LDAP implementations like Microsoft Active Directory , OpenLDAP and other directory systems as well as perform authentication using NTLM and Kerberos. We support user management features such as creating users not present in Drupal from LDAP Server, adding users, editing users and so on. User information is in sync with the information in LDAP.