I am trying to export the excel sheet using Asp.Net web application in my server.It executes well in my local machine, but i get the error Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005. I tried lot thru search engine but it dosent work out. My server Machine has Windows 2008 server with Office 2003. And i have done all the settings as given in the url http://blog.crowe.co.nz/archive/2006/03/02/589.aspx But also it is not working and throwing the same error. Could i get some hands to solve this problem.