AppPool Permission Issue with Accessing Report Server

Question

I have a SQL Server 2008 R2 Report Server running on a Windows 7 machine as well as an ASP.NET application. The ASP.NET application makes requests to the Report Server to di

Answer 1

Almost the same situation here except IIS and Report Server running on Windows Server 2008 R2. I used to have the asp.net application running with it's own application pool and everything worked. When I changed the application to the DefaultAppPool (due to a different problem), I got the permissions problem. I changed the Identity of the DefaultAppPool from ApplicationPoolIdentity to LocalSystem (in IIS, Advanced Settings) and it worked again.