We are already running win 10 for workstation on that machine, for this reason. (Although AMD has communicated on it, saying that since the windows 10 v.build 18362.592, there is no problem and windows 10 pro works as well as windows 10 pro for workstation or enterprise versions)
https://www.tomshardware.com/news/amd-threadripper-3990x-performance-windows-10-enterprise
Again, we are aware of these observations, and we have made sure to eliminate these possibles causes. The system identifies now 1 socket, 64 cores, 128 threads. Other software don’t have any problem using all threads.
Couldn’t it be a limit from RC?
Sharing our screen and discussing directly would save a lot of time for both of us, if RC team is capable to really help us. This would definitely not be an excessive service considering the licence costs (we’ve been RC customers for more than 3 years now).