DSD Aurilac Aries to Vega

My setup is an Auralic Aries connected to an Auralic Vega (both fully DSD capable). I have a DSD 64 source and Roon is immediately converting it to PCM. My Aries is setup for DSD over PCM and I have the Aries communicating via USB to the Vega (I also have an AES cable but get no output when I attempt to route DSD over AES).

Check Roon’s settings for the Aries. should look like this:

thanks for the suggestion; this was totally my error - I had DSP enabled for the Auralic