How to Fix v2rayNG Subscription Update Failures: Common Causes and Auto-Update Settings

When v2rayNG shows “Subscription update failed,” the client is not necessarily the problem. An update involves at least four steps: reading the saved subscription URL, requesting the remote content over the current network, parsing the response, and writing the parsed nodes to the relevant subscription group. If any step is interrupted, the interface may show only a brief failure message.

Do not keep clicking Update or delete all your nodes first. A better sequence is to verify the subscription URL, determine whether the request can reach its destination, inspect the response, and then review the client’s proxy update method and automatic update settings. This separates an invalid URL, a network access failure, and unparseable content.

Identify where the failure occurs

A subscription is not a single node. It is a list of nodes returned by a remote URL and may include configurations such as VMess and VLESS. After accessing the URL, the client parses server addresses, ports, user identifiers, transport methods, TLS parameters, and remarks, then creates selectable nodes. A subscription update failure and a node connection failure are different: the former means the list was not retrieved or parsed correctly; the latter means the node exists but the proxy connection could not be established.

If every subscription group fails at the same time, first suspect the current network, DNS, or proxy update setting. If only one group fails while others update normally, that URL may have changed, its authorization may have expired, or the remote response may contain data the client cannot recognize. This comparison is more useful than repeatedly reinstalling the client.

Check the subscription URL and response

Make sure you copied a subscription URL, not a single-node share link

Subscription URLs usually start with https:// and continuously return a set of nodes from the server. Single-node share links usually start with vmess:// or vless://; each link describes one node. v2rayNG’s “Subscription group” requires a subscription URL. Single-node share links should be imported from the clipboard or by scanning, not entered in the same field.

Check the beginning and end of the URL carefully when copying it. Chat apps may truncate long URLs, and browsers can include line breaks or spaces during copying. Authorization parameters are usually case-sensitive, so one missing character may produce an unauthorized response, empty content, or a regular web page. The safest approach is to copy the complete URL again from its source, replace the old URL in v2rayNG’s subscription group settings, and save it.

Check whether the URL has expired or been reset

Some subscription URLs include dedicated authorization information. When authorization expires, an account changes status, or the URL is regenerated, the old URL may stop returning valid nodes. Switching networks will not help; first confirm that the source currently provides the same URL saved in the client. If a new URL is provided, edit the original group and replace it instead of keeping multiple similarly named old groups.

If opening the URL in a browser shows a login page, error page, or ordinary explanatory text, that does not mean the client can parse it. The client needs node data in a supported subscription format. Even with a successful HTTP response, an incorrect content type may cause v2rayNG to report a parsing failure or show a completed update with zero nodes.

Switch between direct and proxied updates

Once the URL is confirmed to be complete, determine whether the current network can access it. Updating a subscription is essentially a network request. DNS problems, access restrictions, and connection timeouts can all cause an update to fail. Mobile and Wi-Fi networks may use different DNS results and access paths, so switching networks is the most direct comparison test.

1. Keep v2rayNG disconnected first, run one subscription update, and record the result.
2. Switch to another network and update again. Check whether the failure message changes.
3. If you have a confirmed working node, connect to it and then enable the option to update subscriptions through a proxy.
4. After the update succeeds, test the new nodes instead of judging usability by node count alone.

“Update through proxy” means that the subscription request uses the currently selected proxy node. This is useful when the URL is unreachable directly but an existing node still works. It has one clear prerequisite: the client must already contain a working node and the proxy service must be running. If the current node is unavailable, proxied updates will fail too. Turn the option off, switch networks, and try a direct update instead.

The proxy update switch is therefore not a universal solution. When the URL is reachable directly, a direct update has fewer dependencies. Use a proxied update when direct requests time out but an existing proxy works normally. Testing both paths separately quickly shows whether the problem is in the local network or the subscription content.

System time can also affect HTTPS requests

If the device date, time, or time zone is significantly wrong, HTTPS connections may fail because certificate validity checks become inaccurate. Enable automatic date and time in the system settings, correct the clock, restart v2rayNG, and try the update again. This issue often affects other websites too, but it is easy to overlook when focusing only on the client message.

v2rayNG updates and auto-update settings

Menu labels may vary slightly between v2rayNG versions, but the workflow is the same: create a subscription group, verify it manually, and then enable automatic updates. Do not rely on scheduled updates before the URL passes a manual test.

Update a subscription manually

1. Open the v2rayNG main screen and go to Subscription groups or subscription settings.
2. Edit the existing group and verify its remark, subscription URL, and enabled status.
3. Save it, return to the main screen, and choose “Update subscriptions” or “Update all subscriptions.”
4. Wait for the update to finish, then check the group, node count, and update time in the node list.
5. Connect using a new node, then verify that actual network access works normally.

To test only one problematic group, temporarily disable the other subscription groups to reduce noise. Re-enable them after testing. Wait for the current task to finish; triggering multiple updates in quick succession can cause timeouts, duplicate messages, or delayed list refreshes.

Update subscriptions through a proxy

When a direct update times out but the list still contains a working node, connect to that node first. Then find and enable the setting corresponding to “Update subscriptions through proxy.” Return to the main screen and run the update again. If the proxy node has high latency, switch to another verified node. Whether to leave the setting enabled afterward depends on the current network environment.

Set up automatic updates

Automatic updates usually require an enabled subscription group, an enabled auto-update switch, and a valid update interval. Open the settings or subscription group configuration, enable automatic subscription updates, and choose a sensible schedule. There is no need to use a very short interval; node lists typically do not change minute by minute, and overly frequent requests only increase timeouts and duplicate refreshes. A schedule of several hours or once a day is generally more stable, but adjust it to the update frequency provided by the subscription source.

Android may restrict background activity. If manual updates work but automatic updates do not run for a long time, check v2rayNG’s background activity permission, battery management policy, and network access permission. Scheduled updates need both an opportunity for the client to run and an available network at that time. Battery saver mode, forced app termination, or restricted background networking may delay the task until the next time the app starts.

v2rayN updates and auto-update settings

The troubleshooting logic for desktop v2rayN is the same as for v2rayNG. Open the subscription group settings, check the group name, URL, and enabled status, then run an update from the subscription menu. Some versions provide separate options for direct and proxied updates. Try a direct update first; after a timeout, connect to a working node and choose a proxied update.

1. Open the subscription group settings and find the group reporting the error.
2. Paste the complete URL again, confirm that the group is enabled, and save it.
3. Choose Update current subscription or Update all subscriptions, then watch the status bar and logs.
4. If direct access fails, start a working configuration first and then switch to a proxied update.
5. Refresh the node list and review added, removed, and renamed nodes by group.

v2rayN usually lets you configure the update interval in the subscription settings. Confirm that manual updates work before enabling scheduled updates. If nothing triggers after starting the client, check that the interval is valid, the relevant subscription group is enabled, and a usable network is available while the client is running. Regular scheduled tasks do not continue after the client is closed; whether an update runs immediately at the next launch depends on the task policy of the version in use.

When troubleshooting the desktop client, check its logs. Timeouts, DNS resolution failures, connection refusals, and parsing errors point to different stages. Before sharing logs, remove the complete subscription URL, node user identifiers, and server details. Keep only the error type and timestamp.

Update succeeds but nodes do not change

A successful subscription update only means that the request and parsing completed; it does not guarantee that node names or counts will change. If the remote list is identical to the previous one, an unchanged list is normal. If the remote list has definitely changed but the local list has not, check the group, filters, and duplicates.

Check whether the nodes went into another group

After a subscription group is renamed, the same URL is added again, or multiple similar URLs are imported, new nodes may be written to another group. Filter the list by group and check the latest update time instead of looking only at the currently selected nodes. If duplicate groups exist, confirm which URL works and remove the old group to prevent confusing results from being generated repeatedly by automatic updates.

Check the filter rules

Remark filters or group filters may hide some nodes. If inclusion or exclusion keywords are configured, renamed remote nodes may no longer match the original rules. Temporarily disable the filters and update again to determine whether the nodes were not written or are present but hidden. When restoring filters, use stable keywords rather than changeable numbers.

Do not confuse latency tests with subscription updates

A latency test checks the response of existing nodes; it does not retrieve a new list from the subscription URL. Conversely, a subscription update does not prove that every node works. The correct workflow is to update the subscription, select nodes for latency or connection testing, and then verify the system proxy or VPN service status. Separating these actions makes it possible to identify the failed stage accurately.

Complete troubleshooting checklist

1. Identify the error type: Distinguish a subscription update failure from a node connection failure, and record when the message appeared and which path you used.
2. Verify the URL: Copy the complete HTTPS subscription URL again and remove leading or trailing spaces and line breaks.
3. Verify the content type: Make sure a single vmess:// or vless:// share link has not been entered into the subscription group.
4. Check the group: Confirm that the affected subscription is enabled and not confused with an older group of the same name.
5. Switch networks: Run one direct update on the current network and one on another network.
6. Correct the clock: Enable automatic system date, time, and time zone, restart the client, and try again.
7. Test a proxied update: Try updating through a proxy only when a working node exists and the proxy service is running.
8. Reduce concurrent actions: Wait for one update to finish before trying again; do not click multiple update options repeatedly.
9. Check the result: Review the node count, group, and update time, then check again with filters disabled.
10. Verify a node: Test a node from the updated list and confirm that its protocol and network path work.
11. Configure automatic updates last: Set a sensible interval and background execution conditions only after manual updates are stable.

After completing these steps, if the same URL fails in both v2rayNG and v2rayN while other subscriptions update normally, the problem is usually narrowed down to that URL or its remote response. If every subscription on the same device fails but updates work after switching networks, continue checking the current network’s DNS and access path. If manual updates always work but scheduled tasks do not, focus on background restrictions, the update interval, and the group’s enabled status.

Frequently asked questions

The core diagnosis for a failed subscription update can be summed up in three rules: if one group fails, check its URL and response first; if all groups fail, check the network and update path first; if manual updates work but automatic updates do not, check the schedule, background permissions, and group switch first. Following this order usually identifies the fault while preserving existing nodes.