Missing FAST Search keywords, site promotion and demotion, user context from Site Collection Administration

Symptoms

When you go to Site Settings, the following items are missing from the Site Collection Administration:

• FAST Search keywords
• FAST Search site promotion and demotion
• FAST Search user context

Cause

This usually happens when you add FAST Search to an existing SharePoint 2010 farm.

The feature that activates these functions may not enable for the site collection.

Resolution

Run the following command on the SharePoint server in Powershell as Administrator (replace [SiteURL] with the actual URL):

Enable-SPFeature -id "5EAC763D-FBF5-4d6f-A76B-EDED7DD7B0A5″ -Url  [SiteURL]