1. Open the SD.IncidentManagement project in Symantec Workflow.
2. In the Projects list on the left, click on the Customer Confirm Resolution model.
3. Double-click the “Have Customer Confirm Resolution” Dialog Workflow component to edit it.
4. Click on the Even Configuration tab, and scroll to the Timeout Configuration section at the bottom.
5. Click the ellipse next to Timeout Time Span.
6. Change the value from two days to the desired duration.