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

As Michal Drozdowicz said, create the AppPool user as a browser role. The part that is missing is

1. The name of the user (at least on Windows 2012 is 'IIS APPPOOL\pool name' This is the exact name that will appear on the error page. Do not put the quotes around the user name when entered in the permission dialog.
2. The browser role must be created at the main folder. Of course, if you need the permission at a sub-folder, ensure that the sub-folder is still inheriting permissions or set it manually