On this page, you are either creating or editing a new allowed forum in the smart search forum index. Allowed forums are those which will be indexed.
Use the Site name drop-down to choose the site whose forums will be indexed. If you select (all), all forums on all sites in the system will be indexed.
If you select a particular site, click the Select button next to the Forums field. The Select forums dialog appears.
In the Select forums dialog, use the Forum group drop-down to select a forum group. Its child forums will be listed below. To include a forum in the index, enable () the appropriate check-boxes.