1. Select the checkbox next to the filtered group to refresh.
2. Click Refresh under Actions.
3. Click OK in the confirmation dialog box that appears. The application scans all subscriber data and rebuilds the group. View the subscriber count displayed in the group workspace to see how many subscribers now belong to the group.Note Group refreshes will fail if the group is based on a data type attribute that has a dateearlier than January 1, 1900 or greater than December 21, 2079.