SSRS 2008 Common Install Problems

1. When attempting to connect to report server or report manager you get 404 errors or page could not be displayed.

Resolution: change the default TCP port in web service URL and report manager URL (advanced) to any port other than port 80.
http://social.msdn.microsoft.com/Forums/en/sqlexpress/thread/75910bcb-a879-4eb7-9757-acc45201fa3a

2. When attempting to connect to report server or report manager: "the report server has encountered a configuration error. (rsServerConfigurationError)"

Resolution: Configure the database in reporting services configuration manager.