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
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.
Often happens after big updates because of spikes in player numbers causing server overloads.
Sometimes problems are local: firewall/antivirus, network (router, DNS, IPv6 etc.), or platform‑specific issues.
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đź› 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.
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