It took me a bit of trial and error but managed to get it working.
Server Name = AD01.domain.local (FQDN of LDAP server)
Authentication IP = 192.168.1.1 (IP of above server)
Port = 389 or 639 (Note 636 is SSL and requires a certificate)
Version = 3
Base DN = DC=domain,dc=local (Can be pulled automatically by clicking "get base DN")
Administrator = CN=username,OU=OrginisationUnit (Just copy the full DN from AD attributes and remove the base DN (DC=domain,dc=local) then paste into this box)
Password = Password
Authentication Attribute = sAMAccountName