I have not noticed any changes to my usual preferences settings while playing this campaign, and I did look at them after I started getting hits from the Iraqis at very long range. And yes, I was talking about the Iraqi tanks taking such long range shots and actually hitting, some at 2700 yards. I had a couple of Bradleys actually take front hull hits with no penetration from the 100mm Iraqi tank guns, the range was so long the penetration level was down around 10...and we can't have that, those Bradley commanders will start thinking they are driving real tanks
I found renumbering the campaign files from 15 to 19 did not work. I got through the first scenario fine, then I was taken to the second scenario of the campaign in my #15 slot. So I removed that campaign and reinstalled this one in the #15 slot and after the 1st scenario, it proceeded correctly to the 2nd scenario... live and learn

The only really odd thing I noticed was after the 1st scenario, I'm ready to continue to the 2nd scenario and then I get the briefing for Khafji battle. But the 2nd scenario is a delay at As-Suayyirah. No big deal, I just went and read the text file in notepad to figure out what I'm supposed to do. I've never built a campaign, so I'm not sure how to correct this...maybe I'll try some file renumbering again
One last thing, thanks to Mkr8683 for putting the effort into recreating this campaign. A few minor bugs to work out, but you're 99% of the way there!
PS I just went and renumbered text file U015i001 to U015i000, started a new version of the campaign, and now I get the proper pre-battle briefing before the 1st scenario. I did the same thing for U015i002, renamed it to U015i001, and I restarted my game save from the end of the 1st scenario and now I get the correct pre-battle briefing before 2nd scenario. So I would suggest renaming the U015i00x files from 1 through 8 to 0 through 7.