ASP.Net access issues

Hi I recently published my web MVC 4 application on IIS 6. I have created the application pool for my web site. The portal works fine but I have some issues for which I am unable to get the right solution. The issue is My application is published on " Server 1 " but one of the web page in application has links to excel reports. These excel reports physically exists on " Server 2 ". User gets access denied error when the reports are accessed through the links.  All the users have access to the " Server 2 " reports folder. When I give the domain path as link like "\\server2\DailyReports\Reports.xlsx" then I get below error
" ASP.NET is not authorized to access the requested resource. Consider granting access rights to the resource to the ASP.NET request identity. ASP.NET has a base process identity (typically {MACHIN ...