When you drag the dtfile icon, the icon and the the mouse pointer might not be displayed. No error message is displayed.
Workaround: Add the following lines to the /usr/dt/config/<locale>/sys.resources file , under #if EXT_SUN_TS OL:
!! DragNDrop protocol. Other styles cause policy violation. *DragInitiatorProtocolStyle: DRAG_DYNAMIC *DragReceiverProtocolStyle: DRAG_DYNAMIC |