This usually means that you have added new delegates to organization(s) that are already approved on the system. To send the welcome email to anyone that has not already received it:

  1. Navigate to the Attendees tab.
  2. Click the Page size dropdown box in the upper right and choose 'All'.
  3. In the Filter section, click the 'Welcome email sent' dropdown box and choose 'no' then click the grey Filter button.
  4. Click the tick box to the left of the Name column to select all attendees that appear.
  5. Scroll down until you see the Choose an action dropdown box.
  6. Click the dropdown box then choose 'Welcome'. Click the grey 'go' button when you are happy with sending all selected attendees their welcome email.

Learn more about customising the system emails (including the Welcome email) by visiting this article.