These databases may contain user data. Therefore, the Setup program does not delete these databases when you uninstall a SQL Server 2008 Reporting Services instance. When you install an instance that has the same instance name, the Setup program detects that the Report Server databases already exist for that instance name. When this occurs, you receive the error message that is mentioned in the "Symptoms" section.
Article ID: 956095 - Last Review: Mar 19, 2009 - Revision: 1