Not criticizing the asker, really criticizing Roon. In this case, I jumped the gun when I assumed it was a NAS box. Most of the time it is and the question can be answered by a forum search.
It’s not my explanation, it’s Roon’s explanation that it’s the NAS’s fault.
Anyone who has problems with a NAS box, or now FreeNAS, can search the forum and find the answers; if they’re so inclined.