If you happen to throw it out of the window, please gimme your address beforehand. I’ll catch it!
Since I use LAN to control and MADI to feed the H9000, I cannot help you with your first issue. I hope you’ll find a fix, sounds very wrong.
But “MOST effects limited to 48k”? Nope. At least on my machine, except some 5.1 reverbs and some multiples, everything is 96k. Can’t count them, but I would say 40 out of >1.500 algorithms are 48k only, which would result in a whopping 97% of all algos supporting 96k.