A missing 7 Days to Die server is usually a discovery problem at one of four layers: the active serverconfig.xml makes it private, the router or host firewall is not forwarding the advertised ports, SteamNetworking does not match the network path, or the client’s filters and compatibility settings exclude it. Work through those layers in order. A server can appear in the browser and still fail when a player tries to join, so treat visibility and connection as separate tests.
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First, identify whether discovery or joining is failing
The symptom determines where to start. Ask a player outside the server’s home network to search while you watch the dedicated-server console. Use this split before changing several settings at once:
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| What players see | Most likely layer | First check |
|---|---|---|
| No listing for anyone, including friends | Visibility value, port forwarding, firewall, ISP inbound restrictions, or an incorrect advertised port | Open the active configuration and verify ServerVisibility=2, then check the router destination and host firewall |
| Friends can find it only after an invitation | Friends-only visibility or a filtered public-browser result | Set visibility to public and clear browser filters; test the peer-to-peer tab |
| It appears, but every join attempt times out | Join-path ports, SteamNetworking/NAT behavior, EAC, firewall or antivirus, drivers, or an unstable local link | Verify all required TCP and UDP rules and test from an external network |
| “Could not retrieve server information” or an empty result | Overly narrow search parameters, VPN interference, wrong browser tab, version mismatch, or a server that is not publishing | Reset filters, disable the VPN temporarily, and search by SteamID or peer-to-peer |
Do not use a successful local-LAN connection as proof that Internet players can connect. A local test can bypass the router’s inbound path entirely.
1. Confirm the running instance and its visibility setting
Dedicated-server tools often contain more than one configuration file. Edit the file loaded by the instance that is actually running, not an old copy in a backup folder or a different installation. If a hosting panel, startup script, or launch argument writes settings at startup, it can overwrite a manual edit.
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Set the server to public
In the active XML file, use:
<property name='ServerVisibility' value='2'/>The documented values are:
| Value | Meaning | What players can expect |
|---|---|---|
2 |
Public | The server may appear in the public browser when networking and compatibility checks pass. |
1 |
Friends-only | Only accounts recognized as friends are shown. A dedicated server is not itself a friend, so this setting can make the server seem missing even when it is running. |
0 |
Not listed | The server is intentionally hidden from browser results; players need the supported direct or invitation path. |
Save the file and fully restart the dedicated server. Watch the startup output for the loaded port, visibility, and any parse error. An XML typo can cause the process to reject a property or fall back to a previous value. If a control panel exposes a visibility field, set it there as well and then restart again so the panel and file agree.
Make sure you are observing the right server
- Confirm the process ID, installation directory, world name, and start time in the server console.
- Check that the world and server name shown in the browser match the instance you edited.
- Stop duplicate dedicated-server processes; two instances can compete for the same port and leave one unreachable.
- After every configuration change, allow the server to finish loading before judging the browser result.
2. Forward the default ports to the correct computer
With the default base port, the publisher’s port table calls for one TCP rule and a four-port UDP range:
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| Protocol | Port or range | Role documented for the default setup |
|---|---|---|
| TCP | 26900 | Game-detail traffic |
| UDP | 26900–26903 | Master-list interface, Steam communication, LiteNetLib networking, and the additional join path |
Create these rules on the Internet-facing router and allow the same traffic through the operating-system firewall on the server computer. If you changed ServerPort, apply the documented offsets to that new base port rather than forwarding 26900 by habit. For example, a different base port means the corresponding TCP base port and the next three UDP ports must be mapped consistently; use the value actually printed by the running server.
Build the forwarding rule without guessing
- Give the server computer a reserved DHCP lease or another stable LAN address. A rule aimed at yesterday’s address silently points at the wrong machine after a reboot.
- In the router’s port-forwarding page, create a TCP rule for the server’s base port and a UDP rule covering the base port through base plus three. If the interface does not accept ranges, create four UDP entries.
- Set the destination to the dedicated-server computer’s LAN address, not to a gaming PC, NAS, or the router itself.
- On the host firewall, allow inbound TCP on the base port and inbound UDP on all four ports. Apply the rule to the network profile used by the server.
- Restart the server, then test from a friend’s connection or a phone hotspot. Testing from the same LAN can be misleading because many routers do not support hairpin NAT.
Check for upstream blocks
If nobody outside the LAN can see the server after the rules are correct, compare the router’s Internet/WAN address with the public address shown by an independent connection. If the router receives a private or carrier-grade address, the ISP may be using CGNAT. In that arrangement, an ordinary home forward cannot accept unsolicited inbound traffic. Ask the ISP whether a public IPv4 address or bridge mode is available, or use a managed cloud server instead of spending time rewriting local rules.
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Router “gaming” presets are not a substitute for checking the actual destination, protocol, and range. Double NAT, a second router, or an ISP gateway in front of your own router can also prevent the outer device from delivering the packets. Put the forwarding rule on the device that owns the public address, or configure the upstream gateway to pass the traffic to your router.
3. Match SteamNetworking to the network topology
SteamNetworking is not a universal fix for a broken forward. The server configuration reference and Steam support guidance recommend disabling it when there is no NAT router between users and the server or when conventional port forwarding is configured correctly. That recommendation reflects a direct, reachable server path; a different network arrangement may require the Steam-based path instead.
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- Record the current SteamNetworking value and the working or failing symptom.
- For a correctly forwarded home server or a direct public host, set the value to the documented disabled state.
- Save the configuration and restart the dedicated server completely.
- Retest from outside the LAN, recording whether the listing appears and whether a join completes.
- If the result is worse, restore the previous value before testing another layer. Do not change visibility, ports, and networking mode simultaneously; you will not know which change mattered.
A listing that improves after this change but still times out has moved past discovery. Continue with the join-path, firewall, EAC, and network checks below rather than repeatedly toggling the setting.
4. Remove client-side filters that hide valid servers
The multiplayer troubleshooting guidance warns that selecting too many search parameters can narrow the result to zero. An empty browser is not proof that the server is offline.
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Reset the browser
- Clear region, map, player-count, password, tag, and other optional filters.
- Use the peer-to-peer tab when it is available instead of relying only on the public browser.
- Search by the server’s SteamID when the interface offers that field.
- Verify that you are browsing the correct game mode and that a favorites-only or friends-only toggle is not active.
- Temporarily disconnect a VPN and retest. VPN routing can change the visible region or interfere with Steam discovery.
Search again after the server has finished restarting. Browser data can lag behind a configuration change, so a result that was cached before the restart is not a reliable status check.
5. Make the server and clients compatible
Discovery and compatibility are related but distinct. Players may see a server and still be rejected if the build, modifications, or world files do not match.
Verify the game build
The dedicated server and every client must run the same game version. Check the version shown by the launcher or server console on both sides, and finish any pending update before testing. A server left on an older branch can remain visible while connections fail during the handshake.
Verify mods and custom worlds
For a modded server, install compatible versions of every required mod on the client. If the server uses a custom world or generated files that the client must possess, distribute the matching files through the supported method. Temporarily testing an unmodded, standard world is a useful isolation step: if that clean instance works, add modifications back one at a time.
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Enable EAC for crossplay
Easy Anti-Cheat is not required for every 7 Days to Die server, but some servers enable it. Crossplay requires EAC enabled on the server according to the official multiplayer guidance. Ensure the client launches with the corresponding EAC option and that security software is not blocking the EAC service. A mismatch can produce a visible listing followed by a failed join rather than an obvious browser error.
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At this stage, stop changing discovery filters. Work through the path between the client and the running process.
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Confirm that the host firewall allows the dedicated-server executable and the required TCP/UDP rules on the active network profile. Antivirus products can delay or block EAC and server traffic. As a controlled diagnostic, add the game and server executables to temporary exceptions, retest, and then keep only the narrow exceptions you are comfortable maintaining. Do not permanently disable all security protection as a first step.
Drivers and the local link
Official EAC guidance lists outdated network drivers and unreliable Wi‑Fi among possible causes. Update the network adapter driver from the operating-system or hardware vendor, reboot, and test again. If possible, connect the server computer to the router with Ethernet. A damaged cable, weak wireless signal, or overloaded access point can interrupt a join even when port forwarding is perfect. Replacing a suspect cable addresses that physical link only; it cannot correct a wrong router destination or a blocked inbound port.
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Router and network faults
- Check that the router did not replace the server’s LAN address after a reboot.
- Remove conflicting duplicate forwards for the same ports.
- Inspect parental-control, intrusion-prevention, and “strict NAT” features that may block unsolicited game traffic.
- Test with another client and another external network to distinguish a server problem from one player’s connection.
- Read the server console during a join attempt. A packet that never produces a log entry points toward the network path; an entry followed by an authentication or EAC error points toward compatibility or security.
7. Use a controlled external test
Have one person remain on the server console while another uses a phone hotspot or a friend’s home connection. Record four observations separately: whether the name appears, whether details load, whether the join reaches the loading screen, and whether the server logs the attempt. This produces a useful decision tree:
- No listing and no server log: revisit visibility, advertised port, router forwarding, firewall, CGNAT, and SteamNetworking.
- Listing appears but details fail: check the TCP detail path, UDP range, and host firewall.
- Join reaches the server but disconnects: check game version, mods, custom world files, EAC, and antivirus.
- Only one player fails: focus on that client’s filters, VPN, local firewall, drivers, Wi‑Fi, and game installation.
Repeat the test after each single change. Keeping a short timestamped log prevents a router reboot, server restart, and client update from being mistaken for one fix.
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Home hosting is optional. The publisher’s support FAQ lists renting a cloud server as another dedicated-server setup path. It is worth considering when your ISP uses CGNAT, the router cannot create inbound rules, you cannot keep a host computer online, or maintaining updates and firewall settings is impractical.
| Option | Advantages | Responsibilities and trade-offs |
|---|---|---|
| Self-hosted at home | Full control of files, mods, backups, and hardware; no separate server rental | You must maintain port forwarding, firewall rules, power, updates, backups, and a stable public path |
| Cloud dedicated server | Usually has a public network path and data-center uptime; avoids home CGNAT and router limits | Recurring cost, provider-specific controls, migration work, and the need to verify current game-version and mod support |
Before moving, back up the world and configuration, confirm the host supports your target build and crossplay requirements, and plan how players will receive matching mods or custom worlds. Hosting elsewhere does not remove compatibility checks; it mainly changes who operates the network and hardware.
Known-good checklist
Use this compact checklist after repairs:
- The running instance loads the edited configuration and reports the expected world and port.
ServerVisibilityis2for a public listing.- The default TCP 26900 and UDP 26900–26903 rules, or the equivalent offsets for a custom base port, target the server’s current LAN address.
- The host firewall allows the same protocols and ports.
- SteamNetworking matches the direct-forwarding or NAT design, with a restart after changes.
- External testing is performed from outside the server’s LAN.
- Clients use the same game build, compatible mods and worlds, and the required EAC state for crossplay.
- Browser filters are cleared, the peer-to-peer or SteamID path is tested, and VPN routing is temporarily removed.
- If listing succeeds but joining fails, firewall/antivirus, drivers, Wi‑Fi or cable quality, and router faults are tested independently.
Server-browser behavior, crossplay requirements, and configuration labels can change between game builds. When a future update changes the symptoms, verify the current Help Center instructions and the server-configuration reference before assuming that an older port or browser workflow still applies.
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