When previewing a report in Crystal Server XI the thumbnail displayed correctly but on clicking on the thumbnail the following error was displayed: Crystalreportviewer:
Unable to retrieve object. The page Server you are trying to connect to is not accessible. Please contact your system administrator.
In this instance it was discovered that the wrong version of Crystal Reports had been installed on the server. For Crystal Reports 11 Server RC2, if installing Crystal Reports the version used should be Crystal Reports 11 Client (NOT R2)
If you need assistance identifying the version you have installed, please contact your support provider
Crystal 11 Server