Thank you for your input. The missing data sources is a known issue and we are currently investigating it. Indeed it is related with the Reporting toolbox, so please make sure you have the Telerik Reporting toolbox items available and if they are missing check out Telerik Reporting Toolbox items are missing
KB article. This should fix both of the issues.
If the problem persists, please provide us with the installer log, so we can check it for problems.
the Telerik team
FREE WEBINAR ON THE NEW REPORT DESIGNER! Join us on Friday, June 29 at 10:00 AM PST for a comprehensive demo of the official version of the standalone Report Designer and find out how easy it is to empower your users with creating, editing and sharing ad-hoc reports. You may even win a free Telerik Ultimate Collection license! Register today >>