You can use the following procedure to add a report to the Favorite Reports folder in System Center Service Manager 2012.
After you have run several reports and determined the best parameters to use to customize the report contents, you can save a report to the Favorite Reports folder. This enables you to run the report directly from the Reporting view without having to specify parameters.
To save a report to the Favorite Reports folder
In the Reporting view, select the report that you want to use as the basis for the saved report, and then, in the Tasks pane, click Run Report.
In the report window, click Save as Favorite Report under Tasks.
Type a name for the report, and then click OK.
Close the report window.
In the Reporting navigation tree, click Favorite Reports.
The new report is displayed.