Hi All,
I've been in contact with both apple and displaylink. Apple of course wasn't very helpful. Displaylink is trying to reproduce the issue now to look into. Hopefully, we can get this issue resolved!
alex.taffe thanks for confirming that detail about steaming vs downloaded content. I have all my music downloaded to help reduce bandwidth on our network.
As stated on this page
https://www.diamondmm.com/product/bv...-adapter-html/ my device supports HDCP so not sure why apple music is throwing the error.