I just bought my new Apple TV 4K and i would like to stream 4K material from my QNAP. I can browse it with SMB, but i think SMB is too slow, because it is unable to buffer the movie. So i want to try NFS, which also works, but for whatever when i want to open a folder (in Infuse) it says “An error occured” and that’s it.
It is probably that your Apple TV is not authorized to read the folder.
This happened to me when I changed Apple TV and had not re-allocated the IP address of the old one to the new one.
Since NFS authorizations are by IP address, if you have not done it you should:
allocate a fixed IP address to your Apple TV
give this IP address read authorizations on the folders you want to share via NFS that is you you NAS’s software)
… or allow read access to any device on your local network if you feel so.