Select which knowledge bases are displayed in a portal to view the associated knowledge articles. If no knowledge bases are configured, users can view articles from all knowledge bases in the portal.

1. Navigate to Service Portal > Portals.
2. Select the portal for which you want to enable search for the desired knowledge bases.
3. In the Knowledge Bases related list, click Edit.
4. On the Edit Members form, move the desired knowledge bases from the available items in the Collection column to the Knowledge Bases List column.
5. Click Save.