SQL Server Reporting Services 2008 R2 always show for login prompt

Question

Whenever I try to access SSRS 2008 R2 through a URL (i.e. after being published on the net), it always shows a login prompt when accessing the report. The problem does not appea

Answer 1

I was running into this problem for a different reason than the accepted answer. While SSRS was installed, it wasn't properly configured. Being new to installing SSRS, I had assumed some tabs in the Reporting Services Configuration Manager were set to defaults. They weren't. Once I went back and actually set them, everything worked fine.