- Plesk 12.5 for Linux
- Service provider view is unavailable at Tools & Settings > Interface Management .
- Web Admin Edition license is installed.
Web Admin Edition license does not provide Service provider view.
Upgrade the license to Web Pro or Web Host Edition: open Plesk > Tools & Settings > License Management and click Retrieve Keys button.
After license is updated, all features that are included into Web Pro or Web Host edition will be available.