Originally Posted by KARFA

your bp being checked suggests you did go the wrong way, and of course highlights the utter stupidly of the hal agents doing the checking and their ignorance of how t5 works since they should have said something.

exiting from a7 you should have gone right and followed the corridor around the corner, and then gone to the connections point on your left. You would scan your onward bp at the automatic gates then up the escalator and in to the airside departures area.