I upgraded a SharePoint-integrated SQL 2008 R2 SSRS server to SQL 2012 SSRS over the weekend. The installer said that the installation succeeded, but it appears that the database upgrade may have only partially succeeded. When I attempted to access SSRS's settings after the upgrade, I received messages stating that "the report server database is an invalid version" and "The version of the report server database is either in a format that is not valid, or it cannot be read. The found version is '147'. The expected version is '162'."
From research I did over the weekend, my understanding is that the database upgrade happens automatically when SSRS comes online. Is there a way to force it to retry the database upgrade without restoring? If not, if I just restore the SQL2008R2 databases to the server, will it redo the upgrade automatically?