Hi<BR><BR>We are doing windows authentication(checked Integrated windows authentication in IIS) for our web site.<BR>We R using excel object for exporting data to excel.<BR>When i try to access that perticular page from client machine its exporting data without any problem because i am having admin previliges in server machine.<BR>But any other valid Windows user(who is not having admin prevliges in server) try to access that page giving excel object permissions denied error.<BR><BR>if we remove windows authentication in IIS then all users can do the excel export.<BR>But we have to use windows authentication in my web application.<BR><BR>we want to use both windows authentication and exporting to excel in my application.<BR>how to slove this problem.<BR>Your help is appriciated.<BR><BR> pur<BR><BR><BR>