Needs to run reports against different datasources and would like the subreports to inherit this change.
Currently, there is no documentation that shows which subreports are being used with each report. You can view the RDL file for the report which shows the subreports that are being used.
Enhancement request has been submitted: ST56541
If you make a copy of a report to have it run against a differrent datasource, you can copy all the subreports into an organized folder, change the datasource to point to the new datasource for all copied subreports using Property Manager Wizard. Then modify the RDL file for the copied report to point to the new location of the subreports.