SharePoint 2010 Federated Search web part

Federated Search web part, Search Scope and Federated Location

1. Create Search scope in Central Admin
• Central Admin > Application Management > Manage Service Applications > Search Service Application > Scopes
• New Scope
• Set result page and rules to filter the search result, e.g. "YourUserProperty = 1", where YourUserProperty is a property or simply "contentclass = urn:content-class:SPSPeople"
2. Create "Search Scopes" in Central Admin
• Central Admin > Application Management > Manage Service Applications > Search Service Application > Manage Federated Locations
• New Location
• Set properties:
• More Results Link Template: add an URL and a "*" after each search term when pressing the More Results link, e.g. "yourresultpage.aspx?k={searchTerms}*"
• Query Template: add scope if preferred, e.g. {searchTerms} scope:YourScope
3. Add "Federated Results" web part to the Site
• Set "Federated Location" to a location created in Central Admin