Use the Manage Search & Preview Modules page to make farm- and application-level settings for all types of Search & Preview modules that you have installed for SharePoint. Each module adds its own heading to this page. The section added for the Search & Preview for SharePoint 2013 product is titled Search & Preview Search.

The Manage Search & Preview Modules page is available both for farm-level and application-level settings. It is nearly identical for both types of settings except:
• To access farm-level settings, open this page from the Operations tab of the central administration site (see also “Search & Preview Central Administration”)
• To access application-level settings, open this page from the Application Management tab of the central administration site (see also “Search & Preview Central Administration”)
• When you are editing the application-level settings, each of the various settings pages include a drop-down list for selecting which application you wish to configure. Make the appropriate selection here before making any other settings on each page.

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