After crawling successfully and validating that documents were indexed by FAST, you were still unable to search from SharePoint, and receive this error: The search request was unable to connect to the search service In ULS we are getting  ...

  When building a public-facing MOSS site we had found that clicking on a link to an Office document such as Word or Excel caused a dialog box to display asking for the user to sign in. If the user was already authenticated with the SharePoint site...

  Out of the box, SharePoint Services 3.0 cannot crawl MSG-files (saved Outlook-Mails). But with a little configuration, you can use the IFilter from the Windows Desktop Search. Here are the steps. •    Install Windows Desktop Search...