Help! Invalid URI: The hostname could not be parsed.

I have installed SQL server 2005 and reporting services. When i try this: http://localhost/reports/ I get ->

Invalid URI: The hostname could not be parsed.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.UriFormatException: Invalid URI: The hostname could not be parsed.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[UriFormatException: Invalid URI: The hostname could not be parsed.]

System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) +1647482

System.Uri..ctor(String uriString) +17

Microsoft.ReportingServices.Diagnostics.UIConfiguration.ParseXML(XmlNode node, RSConfiguration configObject) +1051

Microsoft.ReportingServices.Diagnostics.RSConfiguration.ParseDocument() +972

Microsoft.ReportingServices.Diagnostics.RSConfiguration.Load() +32

[ServerConfigurationErrorException: The report server has encountered a configuration error. See the report server log files for more information.]

Microsoft.ReportingServices.Diagnostics.RSConfiguration.Load() +166

Microsoft.ReportingServices.Diagnostics.RSConfiguration.Construct(String configFileName) +62

Microsoft.ReportingServices.Diagnostics.RSConfiguration..ctor(String configFileName, String location) +296

Microsoft.ReportingServices.Diagnostics.RSConfigurationManager..ctor(String configFileName, String configLocation) +134

Microsoft.ReportingServices.UI.Global.get_ConfigurationManager() +84

Microsoft.ReportingServices.UI.Global.get_Configuration() +4

Microsoft.ReportingServices.UI.GlobalApp.Application_AuthenticateRequest(Object sender, EventArgs e) +84

System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92

System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

Reporting services config manager shows all green checks. Any ideas?

thanks, Jason

What happens when you go to http://servername/reportserver? Do you see an entry in the RSReportServerXXX.log file that describes the property that it is trying to read? Does the RSReportServer.config configuration file look OK?