Roon not able to find Audio device

Roon Core Machine

sonicTransporter Version 2.8
Roon Server - Version 2.0 (build 1244 production)

UltraRendu

Networking Gear & Setup Details

Netgear Nighthawk CAX30 > DLink 5 port gigabit ethernet switch> ethernet to Sonictransporter and ultrarendu

Connected Audio Devices

Lampizator Amber 3
NAS drive
Sonos

Specify what devices you’re using and their connection types, like USB/HDMI/Chromecast, etc.

USB > Lampizator Amber 3

Number of Tracks in Library

4570 tracks
411 Albums

Description of Issue

Roon is not able to locate the Lampizator Amber 3 and it shows the Sonos but when I try to play through it says it “Roon Lost Control of Audio Device”

It was all working fine and then stopped working. I thought it was the USB cable or Lampizator Amber 3 USB but it was not the case. I also have a Nucleus that I tried to hook up thinking it was the UltraRendu but had same issue with the Nucleus.

What UltraRendu? Are you server usb DAC or server UltraRendu usb DAC?

UltraRendu 2.8

UltraRendu USB > DAC

Thanks @Henry_McLeod any ideas?

Looking for some help from Roon Support.

Check settings on the ultraRendu. Are you using it Roon Ready or LMS emulation?

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