What are the most common server crashes and how do I fix them?

Hosting and joining servers in Valheim can be a seamless experience, but server crashes are a common issue that can disrupt gameplay. These crashes often stem from server overload, mod conflicts, or corrupted game files. Understanding the root causes and implementing fixes can help ensure a stable multiplayer experience.\n\nOne of the most common causes of server crashes is server overload. This happens when too many players or too much activity (like building large structures or spawning too many enemies) overwhelms the server''s resources. To fix this, limit the number of players on your server to a manageable size, typically 6-10 players for most setups. Additionally, avoid overloading the server with excessive building or terraforming in a single area. Spread out your activities across different biomes like Meadows, Black Forest, or Plains to reduce strain.\n\nMod conflicts are another frequent cause of crashes. If you or your friends are using mods, ensure they are compatible with the current version of Valheim. Outdated or conflicting mods can cause the server to crash. To resolve this, disable all mods and test the server. If it runs smoothly, re-enable mods one by one to identify the problematic one. Always download mods from trusted sources and check for updates regularly.\n\nCorrupted game files can also lead to server crashes. This often happens after an update or if the game files become damaged. To fix this, verify the integrity of your game files through Steam. Right-click on Valheim in your Steam library, select Properties, go to the Local Files tab, and click Verify Integrity of Game Files. This process will repair any corrupted files and often resolves crashes.\n\nAnother issue is the server''s hardware limitations. If you''re hosting a server on your own machine, ensure your PC meets the recommended specifications for Valheim. A dedicated server setup is ideal for larger groups. You can rent a dedicated server from hosting providers or set one up on your own hardware. Dedicated servers are less prone to crashes because they allocate resources specifically for Valheim, reducing the strain on your gaming PC.\n\nWorld corruption is a rare but serious issue that can cause crashes. This happens when the game''s world files become corrupted, often due to improper shutdowns or file transfer errors. To prevent this, always shut down the server properly and back up your world files regularly. If your world is corrupted, you can restore it from a backup. Locate your world files in the Valheim folder (usually found in AppData/LocalLow/IronGate/Valheim) and replace the corrupted files with the backup.\n\nFinally, network issues can cause server crashes or disconnections. Ensure your internet connection is stable and has sufficient upload speed for hosting. Use a wired connection instead of Wi-Fi for better stability. If you''re experiencing frequent disconnections, check your router settings and ensure ports 2456-2458 are open for Valheim. These ports are essential for server communication.\n\nTo summarize, the most common server crashes in Valheim are caused by server overload, mod conflicts, corrupted files, hardware limitations, world corruption, and network issues. By managing player numbers, updating mods, verifying game files, using dedicated servers, backing up world files, and ensuring a stable network, you can minimize crashes and enjoy a smoother multiplayer experience. Always test changes incrementally and consult the Valheim community for additional support if needed.