Duplicated Chromecast Groups [Ticket In]

[Rugby (aka Daniel or Big Dan)]

Hi Simon,

Do you have or are doing either:

1. mdns repeating on
2. DNS reflector on and running

See this thread for full investigation.

Duplicate Chromecast devices on Audio tab of Settings [Resolved - Disabled DNS Reflector on Core]

First, let me say that your comments led me to a solution to this issue and for that I thank you. I spent the day listening to music instead of troubleshooting, and Roon’s discovery engine made that quite enjoyable. The solution was disabling the DNS reflector I had enabled on my main server a couple years ago (and which I had also completely forgotten about until today). Sometimes I get a bit too big for my britches installing stuff. However, a counterpoint: no other software I tested over th…