Enterprise Portal and Report server

hi all,

i install Enterprise Portal & report server but error occurred:

( An error occurred while trying to display the report from the Ledger.CFOOperationalEfficiency.RoleCenter folder. This error was caused by the following exception: Cannot read information from SQL Server Reporting Services. Validate that the Report Manager URL is correct.)

Microsoft Dynamics AX Enterprise Portal

how can i solve this problem?

never expect any answer here in this site…all poor guys are searching for answers …but all in vain.