Enable Detailed Error Messages in IIS

By default, IIS doesn't return detailed error messages for failed requests to clients outside the localhost for data security reasons. To enable detailed error messages for failed QPR Suite Web Service and QPR Reporting Expression queries, the default IIS settings need to be changed:

1. On the server machine running QPR Suite Web Service, go to Control Panel -> Administrative Tools -> Internet Information Services (IIS) Manager.
2. Select the Server name -> Sites -> Default Web Site -> QPR2017-1 section. Note that you may have other version than QPR Suite 2017.1 in use.
3. Double-click Error Pages and Click Edit Feature Settings....
4. In the Error Responses section, select Detailed errors and click OK.