The error message “NMS No Connection To Matchmaking Services” in No Man’s Sky is a common and often frustrating issue. It can be caused by a variety of factors, from server-side problems to local network configurations.
Here’s a breakdown of the most common causes and potential solutions
🔍 What’s going on
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This error means the game can’t reach the matchmaking servers, so you can’t see or join other players, visit the Anomaly, or see other users’ discoveries properly.
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Often happens after big updates because of spikes in player numbers causing server overloads.
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Sometimes problems are local: firewall/antivirus, network (router, DNS, IPv6 etc.), or platform‑specific issues.
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🛠 Things you can try to fix / work around it
Here are steps that have helped other players. Depending on whether you’re on PC, console, or using VPN etc., some will be more relevant:
Fix |
Details |
|---|---|
| Check server status | Before anything, see if matchmaking / discovery servers are down (or overloaded). Use Hellogames Twitter, forums, or sites like Downdetector. |
| Update the game | Make sure you’re on the latest patch. Older versions are more likely to have matchmaking issues. |
| Firewall / antivirus permissions | Ensure No Man’s Sky is allowed through your firewall / security software. Sometimes the game or related services (e.g. Steam, Xbox) are blocked. |
| Check time / region / timezone | Some players fixed issues by making sure PC time & timezone are set to automatic. If clock is off, it can affect TLS/websocket auth. |
| Disable IPv6 (or adjust network settings) | Several reports: matchmaking problems when IPv6 is active. Turning off IPv6 (or configuring outbound rules so NMS uses IPv4) has helped. |
| Router / NAT / UPnP | Ensure NAT is open, UPnP enabled. Sometimes port forwarding helps. Also check if any “Teredo” settings are blocked (if on Windows/Xbox) as NMS uses certain Microsoft/Xbox online services. |
| VPN / Split Tunneling | If you’re using a VPN or split tunneling, it might interfere. Some fixes: put NMS and Steam/Xbox through the same network path (either VPN or not), or disable VPN and test. |
| Delete certain config / cache files | E.g. on PC: remove some settings files (e.g. .MXML files in the Binaries → Settings folder) or in roaming data, except your saved games. This has helped some users. |
Submit a Bug Report:
If you’ve tried everything and the issue persists, the best course of action is to submit a bug report to Hello Games through their Zendesk support portal. While you may not get a direct response, it helps them track and address these issues in future updates.
