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The most common issues with your Longvinter server on a VPS and how to fix them quickly, from crashes to lag → Learn more
Running your own Longvinter server on a VPS is a lot of fun, but it also means taking responsibility when something goes wrong. Crashes, lag, and configuration issues are common challenges that every server owner encounters eventually.
To help you spend less time troubleshooting, we’ll show you the most common issues here and how to fix them quickly on your VPS.
FAQ
C:\ZapX-GameServers\longvinter\logs\server.log. The game log is located at server\Longvinter\Saved\Logs\Longvinter.log. Restarts after crashes are recorded in logs\supervisor.log.Longvinter (longvinter) - Start shortcut.Longvinter (longvinter) - Backup shortcut on your VPS to back up the world, including players and chests, as well as Game.ini. Your entire VPS is also backed up daily. With an active ZapX Pass, you can restore these backups yourself.Feedback
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The causes of server issues are often not immediately obvious. The best place to start is the server output: if you set up Longvinter using the Game Server Installer, you’ll find it at C:\ZapX-GameServers\longvinter\logs\server.log. The game’s own log is located at server\Longvinter\Saved\Logs\Longvinter.log. The installer logs restarts after crashes in logs\supervisor.log.
If your server doesn’t appear in the server list, first check whether it’s running and has finished starting up. The first startup takes a few minutes. Then check that the port is open in the Windows Firewall and the network firewall of your VPS. You can find out which port to use in Longvinter: Set up a server on your VPS. Also make sure no filters are active in the server list, and don’t use the word OFFICIAL in the server name.
Start the server via Remote Desktop using the Longvinter (longvinter) - Start shortcut and monitor server.log. The first startup takes a few minutes because the world needs to load. Common causes include a typo in Game.ini, a port already in use by another program, or insufficient memory. If you changed the configuration, try reverting the change to see if that fixes the issue.
Nothing ends a good session faster than an unexpected crash. Causes may include an outdated server version, modified game files, an overloaded VPS, or an incorrect configuration. The installer automatically restarts your server after a crash. If it crashes several times in a short period, the installer gives up. You’ll then need to fix the cause and restart the server yourself.
An outdated server can cause crashes, unexpected behavior, or startup issues, and often prevents players with a newer game version from connecting. Updates aren’t installed automatically. Open the Game Server Installer again and select Longvinter; it will then show Update. Alternatively, use the Longvinter (longvinter) - Update shortcut on your VPS.
Crashes after a change are often caused by additional or modified files in the server folder, especially after a game update. Try removing any additional content and starting with a minimal configuration. If the issue is resolved, add your changes back one at a time and test after each step. This will help you pinpoint what’s causing the problem.
Issues like lag or delays often occur when the configuration isn’t suitable, the VPS doesn’t have enough resources, or too many players are online at once.
Unsuitable settings can lead to higher resource usage and lag. Check the values in server\Longvinter\Saved\Config\WindowsServer\Game.ini, such as the player slots. Stop the server before editing the file. You can change the name, player slots, password, game mode, and admin through the installer.
Longvinter requires at least 4 GB of memory. The operating system and other programs on the VPS also need resources. You can check how heavily your VPS is being used in the ZapX dashboard under Monitoring. If memory or CPU usage is consistently maxed out, upgrading your VPS can help. Learn more in Upgrade, downgrade, renewal, and cancellation.
Ping spikes and lag are usually caused by limited VPS resources, a high number of players, or a server location far from your players. First, check usage under Monitoring. If you suspect routing issues, see Diagnosing network issues with WinMTR/MTR. If you still need help, contact our support team.
Game servers are occasionally targeted by DDoS attacks, which flood the server with traffic. Your VPS is protected by our DDoS protection. You can view past attacks in the DDoS Manager for your VPS in the ZapX dashboard, if it’s available at your location. If you suspect an attack is causing issues, contact our support team.
Regular backups can save you a lot of stress. Use the Longvinter (longvinter) - Backup shortcut to back up the world, including players and chests, as well as Game.ini in a ZIP file at any time. Use Longvinter (longvinter) - Restore to restore it. Your entire VPS is also backed up automatically every day. With an active ZapX Pass, you can restore these backups yourself and create your own. Learn more in Daily backups, restoration, and restricted actions.
These steps should help you resolve your issue. If they don’t, feel free to contact our support team: just start a Support Chat in your ZapX customer account. We’re here for you every day and happy to help! 🙂
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