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I had the exact same problem, and the accepted solution was of no help to me.<br />
My solution was to &quot;reinstall&quot; the application server role. I guess it was the IIS reinstall that did the trick.
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I had the exact same problem, and the accepted solution was of no help to me.
My solution was to "reinstall" the application server role. I guess it was the IIS reinstall that did the trick.

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I went into IIS and deleted the Reportserver virtual directory, and the reportserver application pool
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I went into IIS and deleted the Reportserver virtual directory, and the reportserver application pool

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I am installing a new instance of SQL 2005 on fresh install of windows server 2003 when I hit the details under the Report Server Installation options I get:<br />
<br />
The prerequisite check failed for a default report server installation:<br />
The Report Server virtual directory (ReportServer) can't be used for installation. It is already in use by another application. Setup is defaulted to &quot;Files Only&quot; install.<br />
<br />
<br />

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I am installing a new instance of SQL 2005 on fresh install of windows server 2003 when I hit the details under the Report Server Installation options I get:

The prerequisite check failed for a default report server installation:
The Report Server virtual directory (ReportServer) can't be used for installation. It is already in use by another application. Setup is defaulted to "Files Only" install.




Installing SQL 2005 (Report Server virtual directory (ReportServer) can't be used for installation)

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

A database report is the formatted result of database queries and contains useful data for decision-making and analysis. Most good business applications contain a built-in reporting tool; this is simply a front-end interface that calls or runs back-end database queries that are formatted for easy application usage.

DB Reporting Tools

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.