Thanks for writing in and welcome to the community! Sorry to hear about your Arc issues - in the future, when using the typeform, please select the option that best matches your specific issue type instead of simply selecting “other”, as this form was created to help diagnose issues while gathering information and it will allow the support team to be able to best assist with your specific issue type. Thank you!
Can you provide a bit more information around your issue? Can you access Arc normally when on cellular data? Is the only issue when you’re on a different wifi network?
Are you getting a specific error message when you run into this issue?
How is your Roon Server connected to your router/network?