As someone who manned the library tech help desk a million years ago, they're always going to start with that because it's the modern day equivalent to "is it plugged in?".
How many profiles are linked across the 4 reservations? I'm wondering if there's a data limit that is getting hit, because it's linking however many profiles with various histories all at the same time. I know over on the parks side, people had to create new
MDE accounts because their accounts had so much history it hit some magic heretofore undiscovered limit.