SYMPTOM:
When republishing a Cube from Data Import the following error message pop up in the screen:

Data Import Encountered an error when setting up data import information! Details com.Strategy.web.objects.WebObjectsException: (The input URL 'file://xxx/file.xlsx' does not meet the criteria set in the 'Allowed URLs' list that is controlled by the administrator. Please contact your administrator for further information.)

KB441770