# Roon ARC unable to securely access Roon Server (ref#HPAANV) **URL:** \ **Category:** ARC: Port Forwarding Help\ **Created:** [November 19, 2025, 10:54pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429 "2025-11-19T22:54:15Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![ajr](https://community.roonlabs.com/letter_avatar/ajr/32/5_5575768a8748004e209b776fc1b2916d.png) [@ajr](https://community.roonlabs.com/u/ajr)\ **Post date:** [November 19, 2025, 10:54pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/1 "2025-11-19T22:54:15Z")
#### Network Setup · My only router was provided by my ISP #### ARC Status · ARC is \*Ready\* ## Describe the issue Roon ARC was unable to securely access your Roon Server ## Describe your network setup { "ipv4\_connectivity": {"status":"NetworkError","status\_code":504,"error":"error: Error: ETIMEDOUT, response code: undefined, body: undefined connected? undefined"}, "external\_ip": {"actual\_external\_ip":"193.aaa.bbb.ccc","actual\_external\_ipv6":"null","router\_external\_ip":"null"}, "natpmp\_autoconfig": {"status":"NotFound"}, "upnp\_autoconfig": {"status":"NotFound"}, "multinat\_autoconfig": {"status":"Failed","error":"Unknown Error code"} } ---
**Author:** ![alex\_h](https://community.roonlabs.com/letter_avatar/alex_h/32/5_5575768a8748004e209b776fc1b2916d.png) [@alex\_h](https://community.roonlabs.com/u/alex_h)\ **Post date:** [November 20, 2025, 12:02pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/2 "2025-11-20T12:02:04Z")
Good day @ajr ! I hope you’re doing well today. We’re sorry to see you have this problem. The log you have provided indicates that Roon can’t reach to servers. In this scenario we do recommend you to try the VPN based solution. You can find the instructions here: > **[Tailscale Setup Instructions: Windows RoonServer](https://help.roonlabs.com/portal/en/kb/articles/tailscale-setup-instructions-windows-roonserver)** > > This document outlines how to install Tailscale on a Windows-based Roon Server machine and configure it for accessing ARC on a phone outside the home network. STEP ONE Install Tailscale on Windows If you’re new to Tailscale, you’ll first need to ... . let us know please if you have any problems setting it up. Regards. ---
**Author:** ![connor](https://community.roonlabs.com/user_avatar/community.roonlabs.com/connor/32/172788_2.png) [@connor](https://community.roonlabs.com/u/connor)\ **Post date:** [November 21, 2025, 9:19pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/3 "2025-11-21T21:19:59Z")
Hi @ajr, ARC requires either port forwarding or Tailscale to connect to RoonServer from your phone when you’re outside your home network. The diagnostic snippet you’ve shared indicates that Roon attempted to setup port forwarding automatically, but your router did not have the necessary service activated. Please first follow the steps here. This will guide you to set up port forwarding, which works reliably on most networks. > **[ARC Port Forwarding](https://help.roonlabs.com/portal/en/kb/articles/arc-port-forwarding)** > > Overview Roon ARC is designed to connect to your Roon Server from outside your home. This allows you to access your server on the go so you can play your files and streaming content, in addition to updating your library, playlists, favorites, and ... If you’re still having trouble, then follow the steps that @alex_h has provided above to set up Tailscale as an alternative. ---
**Author:** ![ajr](https://community.roonlabs.com/letter_avatar/ajr/32/5_5575768a8748004e209b776fc1b2916d.png) [@ajr](https://community.roonlabs.com/u/ajr)\ **Post date:** [November 24, 2025, 6:38pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/4 "2025-11-24T18:38:55Z")
Thanks for your help so far. I’ve installed Tailscale but it won’t open when tried. I’ve noted that others have had problems with this and I’ve tried to see if it’s a clash with my router but nothing so far. ---
**Author:** ![vadim](https://community.roonlabs.com/user_avatar/community.roonlabs.com/vadim/32/335515_2.png) [@vadim](https://community.roonlabs.com/u/vadim)\ **Post date:** [November 25, 2025, 1:58pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/5 "2025-11-25T13:58:27Z")
Hello @ajr, Thank you for sharing your system information — that helps narrow things down. Since you’re running **Windows 11** , there are a few common reasons why Tailscale may fail to launch. Please try the following steps: ### **1. Check if Tailscale is actually running in the background** Sometimes the UI doesn’t open even though the service is running. - Press **Ctrl + Shift + Esc** → open **Task Manager** - Look under the **Processes** tab for **Tailscale** - If it’s there, right-click → **End Task** - Then try opening Tailscale again ### **2. Restart the Windows Tailscale service** - Press **Win + R** , type: `services.msc` - Find **Tailscale** , right-click → **Restart** ### **3. Temporarily disable Antivirus / Firewall** Some security suites block Tailscale from initializing its network adapter. If you use any third-party antivirus/firewall, please temporarily disable it and try launching Tailscale again. ### **4. Check for Windows updates** Tailscale depends on up-to-date networking components. - Settings → Windows Update → **Check for updates** ### **5. Try reinstalling Tailscale** - Uninstall Tailscale completely - Restart your PC - Download the latest version from: [Download | Tailscale](https://tailscale.com/download) - Install again and try launching it * * * If the app still won’t open after trying the steps above, please let us know: - Does Tailscale show _any_ error message at launch? - Does the installer complete normally, or does it show warnings? - Did this machine ever have another VPN installed (OpenVPN, WireGuard, NordVPN, etc.)? We’ll continue from there. ---
**Author:** ![connor](https://community.roonlabs.com/user_avatar/community.roonlabs.com/connor/32/172788_2.png) [@connor](https://community.roonlabs.com/u/connor)\ **Post date:** [December 1, 2025, 8:59pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/6 "2025-12-01T20:59:04Z")
Hi @ajr, We haven’t seen a response, but to reiterate, the Windows Defender firewall or third-party security can commonly interfere with Tailscale’s requests to access the network interface. Diagnostics that reach our server from your account seem to show an IP address commonly in the Tailscale range. We’re going to allow this thread to auto-close under the assumption the issue is resolved. However, if you’re still having issues, [please reach out in a new tech support request](https://account.roonlabs.com/en/contact/new-ts-request) and we’ll promptly pick up the case. Thank you! ---
**Author:** ![connor](https://community.roonlabs.com/user_avatar/community.roonlabs.com/connor/32/172788_2.png) [@connor](https://community.roonlabs.com/u/connor)\ **Post date:** [December 1, 2025, 8:59pm UTC](https://community.roonlabs.com/t/roon-arc-unable-to-securely-access-roon-server-ref-hpaanv/310429/7 "2025-12-01T20:59:17Z")