Hi @kichikawa_2913,
Thank you for following up with us and letting us know it is working now. Also, thanks for clarifying the Docker network setup for me. This is related to how we changed the service messenger in ProGet v6.
I took a deeper look into the code and when setting the endpoint via the "change" link, it will override the configuration's shared value. Once that has been set, it will use the configuration associated with that node instead.
Based on your screenshot, it looks like it was using tcp://*:6001
as the shared configuration (even though you said not to), but failed to connect because it was trying to balance amongst the other nodes. If you were using a Docker network, this most likely would have worked because the individual nodes could have listened on 6001 as well.
After reviewing these changes, you would have to change the service messenger address on each service node in order to apply the configuration you are looking to use (which is what you did above).
Hopefully this gave a bit more context to this change.
Thanks,
Dan