Autenticación de Cacti contra Windows 2003 AD

Authentication Method: choose "LDAP Authentication"
Guest User: "No User" (if not allow)
User Template: "guest" (my choice)
Server: "xxx.xxx.xxx.xxx" (input your ad server's ip here)
Port Standard: "389" (no change)
Port SSL: "636" (no change)
Protocol Version: "Version 3"
Encryption: "none"
Referrals: "Disabled"
Mode: "Specific Searching"
Distinguished Name (DN): "@mydomain.com" (replace mydomain.com with your own domain)
Search Base: "dc=mydomain,dc=com"
Search Filter: "(&(objectclass=user)(objectcategory=user)(userPrincipalName=*))"
Search Distingished Name (DN): "ldapuser@mydomain.com"
Search Password: "********" (password of your Search Distingished Name)