SQL Server 2008 R2 Reporting Service Error

Question

Hi everybody,
I have an error when i try to access
http://localhost/ReportServer
The report server has encountered a configuration error. See the report server log files for more information. (rsServerConfigurationError)
I have found lots of posts according this error but any of it describes my error.
Do you have any ideas about problem reason?

Answer 1

i have serious problem about SSRS 2008 R2.i could not implement custom form authentication  to SSRS 2008 R2.i have problem -useridentity-about below code ; i always get "Anonymous logon is not configured. userIdentity should not be null!" my report
server log.
 public void GetUserInfo(out IIdentity userIdentity, out IntPtr userId)
         // If the current user identity is not null,
         // set the userIdentity parameter to that of the current user
         if (HttpContext.Current != null
               && HttpContext.Current.User != null)
               userIdentity = HttpContext.Current.User.Identity;
         else
         // The current user identity is null. This happens when the user attempts an anonymous logon.
         // Although it is ok to return userIdentity as a null reference, it is best to throw an appropriate
         // exception for debugging purposes.
         // To configure for anonymous logon, return a Gener
             System.Diagnostics.Debug.Assert(false, "Warning: userIdentity is null! Modify your code if you wish to support anonymous logon.");
             throw new NullReferenceException("Anonymous logon is not configured. userIdentity should not be null!");
         // initialize a pointer to the current user id to zero
         userId = IntPtr.Zero;