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

In IIS Application Pool Change ApplicationPoolIdentity TO LocalSystem and it will be fixed.

By default ApplicationPoolIdentity DO NOT have access to Report Service i.e. SSRS reports

If you haven’t change the Identity account for your application, then when running the report in the application, it will use the default Identity account “ApplicationPoolIdentity” to access to report server. By default, the default do not have the permission to access report server. So in your scenario, this error due to the default Identity account “ApplicationPoolIdentity” in the Application Pool doesn’t have the permission to access the Report Server.

For more information Link:

https://social.msdn.microsoft.com/Forums/sqlserver/en-US/9593f5a8-09e7-4299-9cf1-5251dd375c38/the-permissions-granted-to-user-iis-apppoolaspnet-v40-are-insufficient-for-performing-this?forum=sqlreportingservices