I've not had a problem with the new one, and I've attached it a couple of times successfully when I got a new blade, etc.
I scraped off all the old adhesive thoroughly, cleaned the rail with paint thinner, let it dry, and then lightly scuffed a 1/4" or so of the edge of the rail all down its length. I then placed the new tape in place and pressed it down hard with a wooden block, starting at one end and running down the rail.
I place the rail off the edge of the workbench with the ridge on the topside hanging off. This ensures the rail stays flat and doesn't get deformed when you press the tape down.