Hi there,Situation:I tried to set up the Search Federation to search our Sharepoint.script was like:<?xml version="1.0" encoding="UTF-8"?> <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:ms-ose="http://schemas.microsoft.com/opensearchext/2009/"> <ShortName>SharePoint Search</ShortName> <Description>Search the SharePoint site.</Description> <Url type="application/rss+xml" template="http://companyweb/searchcenter/_layouts/srchrss.aspx?k={searchTerms}&amp;s=All%20Sites"/> <Url type="text/html" template="http://companyweb/searchcenter/Pages/Results.aspx?k={searchTerms}&amp;s=All%20Sites> <ms-ose:ResultsProcessing format="application/rss+xml"> <ms-ose:LinkIsFilePath>-1</ms-ose:LinkIsFilePath> </ms-ose:ResultsProcessing> </OpenSearchDescription>Error Message:It says that it could not search.Workaround:"Check for server certificate revocation" must be turned off and then it works.Question:is there a good solution for a company to solve this issue or could anybody tell me what side-effets it has when i urn off the check for server revocation?thanks for answering. uerueluem"/