This will allow us to see how many people have signed up to the portal, after we have added them as a user. Therefore being able to send reminders to users who aren't using.
|Release time frame|
You can access this information today. By going to Settings -> Account -> Configure ideas portals -> Portal users.
From this page, you can export the list of users to a CSV. This includes columns which indicate whether user has set their password. From here, you'll be able to identify people who have not create an account.