After Installation of  SQL Server 2012 on windows 7, and configured the report server at http://Myserver/ReportServer, when you try to access the above URL of report server,  following error occurrs:

"unable to connect to the report server"

Following are the steps to resolve this issue:

Go to Reporting Services Conf. Manager.

  1. Change the server account to local account.
  2. Remove the SSL if configured.
  3. Go to C:\Program Files\Microsoft SQL Server\MSRS11.MSSQLSERVER\Reporting Services\ReportServer\rsreportserver.config
  4. In rsreportserver.config change the SecureConnectionLevel value to "0"

Refresh the page, it will work!