SymptomsPlesk has been updated up to 7.6 version SiteBuilder version 3.1 has been installed. Sitebuilder is integrated with Plesk and works properly, however there is a duplicate of SiteBuilder navigation control panel.
ResolutionTo remove a duplicate of SiteBuilder navigation control panel it is necessary to do the following:
1. Open \SiteBuilder\Web\web.config file
2. Find 'ShowNavigationControls' key.
3. Change its value from 'true' to 'false'.