http://blogs.technet.com/b/sqlman/archive/2010/04/20/whitepaper-powerpivot-planning-and-deployment.aspxAn comprehensive whitepaper regarding the installation and deployment of PowerPivot has been recently released by the SQL CAT Team. It can be accessed from the below site: http://sqlcat.com/whitepapers/archive/2010/04/14/microsoft-sql-server-2008-r2-powerpivoten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)