Back then, the honours were shared with each side claiming a home win.
Strachan said: "So it's Man United? Here we go again!
"Oh well, if you're going to play in the Champions League you might as well come up against the Champions League champions. It doesn't get any easier does it?
"You have to be honest about it and say this is an even stronger Manchester United than the Manchester United we faced two years ago.
"This time they are champions of Europe and champions of England. They are a better team now and that will make our job even harder."