I’m trying to make an in place upgrade from 2008 r2 sp2 to sql 2012. With old installation everything (including Reporting Services) works fine, there is only one instance named MSSQLSERVER and all stuff is on one server, ssrs is native mode, compatibility level of databases is 100.
When I start upgrade process al things go fine till “Feature Rules” where “No Custom Rendering Extensions” fails (it says “The Report Server has some custom rendering extensions configured”). Into Windows Application Log appears the following “Report Server (MSSQLSERVER) cannot connect to the report server database” and installation stops. We have not installed any extensions as far as I know. I’ve done some tweaking with RSReportServer.config but without success.
Any good advice?
Pekka