Drag option not available in Crop Pages Adobe Acrobat 2017 Professional

When I select the "Crop Pages..." option in Adobe Acrobat 2017 Professional, the "Set Page Boxes" screen pops up. There I have to enter the margins manually.

In my previous version, the mouse pointer would change into a crosshair crop tool to allow dragging the margins on the screen, which is much faster.

Why is the drag option not available in Acrobat 2017 Professional?

(or is it and don't I know where to find it?)

Many thanks