This article addresses the common question, “Why won’t free nodes connect?” It’s especially useful for teams troubleshooting issues when multiple people use clients such as Clash, V2RayN, or sing-box. The goal is to determine whether the node is down, the subscription was imported incorrectly, or an unstable account or network environment is causing connection problems.
1. A failed connection doesn’t necessarily mean the node is down
Free nodes are usually shared publicly, so they may have many users and their routes can change frequently. They can time out, have high latency, be rate-limited, or become temporarily unavailable. However, in a team setting, if some people can connect to the same node and others can’t, the more common causes are differences in client settings, system proxy configuration, DNS, or account environment.
For example, if one coworker can connect using Clash Verge while another keeps failing with v2rayN, the second person may not have enabled the system proxy or may have selected the wrong proxy mode. Alternatively, after a subscription update, the client may still be caching the old nodes and may not have refreshed properly.
2. Check these settings first when working as a team
- Make sure everyone uses the same subscription source: Have all members use the same subscription link or node file. Avoid manually copying old nodes.
- Restart the client after updating the subscription: After updating the configuration in Clash, sing-box, or V2RayN, fully exit and reopen the client to avoid stale settings.
- Check the proxy mode: For initial testing, use “Rule” or “Global” mode. Don’t install multiple proxy extensions in the same browser.
- Make sure the system clock is correct: A significant time discrepancy can cause TLS handshake failures, which may appear as node timeouts or connection resets.
- Test with a different network: Company Wi-Fi, campus networks, and mobile hotspots may have different restrictions. If the hotspot works but the office network doesn’t, the issue is likely with the local network.
3. Why account environment stability can affect connections
“Account environment” here doesn’t mean you must purchase an account. It refers to the browser login state, system proxy settings, DNS cache, network permissions, and security software policies on a device. The environment can be more complicated when a team shares computers or uses remote desktops or company devices.
Common issues include a browser proxy extension conflicting with the client’s system proxy, security software blocking a local port, company network restrictions on UDP, DoH, or certain ports, and another program switching off the Windows proxy setting. In these cases, even if the free node itself is working, you may see errors such as “latency test failed,” “websites won’t open,” or “Telegram works but websites don’t.”
4. Quick troubleshooting steps
- Try another set of free nodes from this site or another source to see whether a particular node is down.
- Click “Test latency” in the client. If all tests fail, check the local network, subscription format, and proxy settings first.
- If only some nodes fail, delete the unavailable ones and keep the nodes that work.
- Test both a regular website and the site you’re trying to access in your browser to determine whether the connection is entirely down or there’s an issue with the routing rules.
- Standardize the client version and import steps across the team to avoid misdiagnosing problems caused by different settings.
If you’re wondering why free nodes won’t connect, don’t start by repeatedly switching software. Instead, troubleshoot in this order: “Is the node working?—Is the subscription up to date?—Is the proxy enabled?—Is the network imposing restrictions?—Is there a conflict in the account environment?” For teams, the most effective approach is to standardize the client, subscription, and steps, and keep a record of working nodes and observed failures. This makes it much easier to pinpoint the cause.