Consider you built a report using Report Builder 3.0 and now you are deploying the same to your report server. Suddenly the Report Builder presents you with a error which says the below
Solution:
Make sure that the SQL Server Version is SQL Server 2008 R2 as Report Builder 3.0 does not support SQL Server 2008 or below.
| Connection failed. Unable to connect to the server that is specified in the URL,'http://<servername>/<ReportServer>'. Make sure the server is running, the URL is correct, and you have permission to use the server. |
Solution:
Make sure that the SQL Server Version is SQL Server 2008 R2 as Report Builder 3.0 does not support SQL Server 2008 or below.