Prereq

To install PerformancePoint Add-In for Excel, windows needs the following installed:

ADOMD.NET 9.0 SP2
http://go.microsoft.com/fwlink/?LinkId=93296

Analysis Services 9.0 OLE DB Provider (SP2)
http://go.microsoft.com/fwlink/?LinkId=93298


Or rather, in order to connect to a cube in asp.net, the above providers might be helpful.