1. Set the reporting preferences through the Edit > Preferences (Windows) or Adobe Captivate > Preferences (Mac), and select Reporting from the Quiz menu in the Preferences dialog box.
2. Check Enable reporting for this project.
3. Select Internal Server and then click Configure.
4. In the Alternate Reporting dialog box, provide the internal server settings.

For more information, refer:

• https://helpx.adobe.com/captivate/using/report-quiz-results-internal-server.html
• http://blogs.adobe.com/captivate/2010/08/reporting-the-quiz-results-to-a-local-server.html