Quick Answer: Summary of Steps

  1. Check Activision's server status. If MW4 shows an outage, wait; nothing local helps.
  2. Fully close and relaunch the game. Retry after 60–90 seconds.
  3. Power-cycle your modem and router. Unplug for a full 60 seconds.
  4. Turn off any VPN and use wired Ethernet. Then enable UPnP or forward the listed ports.
  5. PC: confirm TPM 2.0 and Secure Boot. Run the Secure Attestation Wizard.
  6. Verify or repair the game files. Steam Verify Integrity or Battle.net Scan and Repair.

Prerequisites & Materials Needed

Required tools & items

  • Access to your router — admin login for UPnP and port settings
  • Modern Warfare 4 on PS5, Xbox, PC or Switch 2 — latest update installed
  • PC only: Windows 10 22H2+ or Windows 11 — and UEFI/BIOS access
  • A second network to test — a phone hotspot is enough

Estimated time

  • Preparation: About 2 minutes
  • Execution: 5–30 minutes depending on how far down the list you go

Step-by-Step Instructions

Step 1: Rule out a server outage

During launches and betas this error is usually server load, and local fixes waste time.

  • Open Activision's online services page and pick Modern Warfare 4.
  • Check @CODUpdates on X for capacity notes.
  • Pro Tip: If it is peak evening time on a launch or season day, wait 60–90 seconds and retry before changing anything.

How you know it worked: The status page shows all services online.

Call of Duty: Modern Warfare 4 cover art
Cover art: Activision

Step 2: Restart the game and your network

A stale route or DNS entry at the router is the most common home cause.

  • Fully close MW4 (on PS5, PS button then Close Game).
  • Unplug modem and router for 60 seconds, plug the modem in first, then the router.
  • Restart the console or PC.

How you know it worked: MW4 gets past "Connecting to Online Services".

Step 3: Remove VPNs and open your NAT

A strict NAT or tunnelled connection can stop the sign-in handshake.

  • Disconnect any VPN or proxy.
  • Enable UPnP on the router, or forward the ports in the table above for your platform.
  • Use wired Ethernet if you can.
  • Look out for: Do not put your console in the router's DMZ unless you understand the risk; it exposes the device.

How you know it worked: Your console's network test or the in-game NAT type shows Open or Moderate.

Step 4: PC: enable TPM 2.0 and Secure Boot

Activision says MW4 blocks every online mode without both, and the failure can look like a network error.

  • Run tpm.msc and msinfo32 to check.
  • Run the Call of Duty Secure Attestation Wizard.
  • Enable Intel PTT or AMD fTPM and Secure Boot in UEFI, following your motherboard maker's guide.
  • Look out for: Changing UEFI settings wrongly can stop your PC booting; follow your motherboard manual, as Activision advises.

How you know it worked: The Wizard reports "System compliant".

Step 5: Repair the install and test another network

Broken files or an ISP block are the last common causes.

  • Steam: Properties, Installed Files, Verify integrity. Battle.net: Options, Scan and Repair.
  • Try a phone hotspot once.

How you know it worked: If the hotspot works, the fault is your home network or ISP; contact them.

"Networking Failed to Start" with the tag HUENEME – NEGEV stops Call of Duty: Modern Warfare 4 at the sign-in stage, before you reach the menu. It is a connection error between your device and Activision's online services, not a ban and not a hardware fault. It was widely reported during the August 2026 beta and still appears after launch. This guide lists the causes and the fixes from easiest to hardest.

How this guide was made: researched with AI assistance from Activision Support articles and published reports, then edited by Tulasiram Pemmadi. We have not reproduced the error ourselves. Activision has not published an article for this specific code, so the cause below is the one reported by outlets and players, and each fix says how to tell it worked.

Problem and likely causes

Likely cause

How common

Platforms

Activision servers down or at capacity

Very common at launches, betas and season starts

All

A stale route or DNS cache at your router or ISP

Common

All

Strict NAT or blocked ports

Common on shared or ISP-supplied routers

All

VPN, proxy or school/office network

Occasional

All

TPM 2.0 or Secure Boot off

PC only; Activision says MW4 blocks all online modes without them

PC

IBTimes reported the HUENEME – NEGEV error during the beta and that it "has appeared across previous Call of Duty games and generally indicates a connection or routing problem" (IBTimes). The PC security rule is from Activision's TPM 2.0 and Secure Boot article, updated 21 October 2026.

Ports Activision lists for recent Call of Duty games

Activision's ports article (last updated 3 February 2026) does not yet list Modern Warfare 4 by name. The table below is the list it gives for Black Ops 7, Black Ops 6, Warzone and Modern Warfare III, which share the Call of Duty online backend. Treat it as the best official guide until Activision adds MW4.

Platform

TCP

UDP

Steam

3074, 27015, 27036

3074, 27015, 27031-27036

PC (Battle.net)

3074, 4000, 6112-6119, 20500, 20510, 27014-27050, 28960

3074, 3478, 4379-4380, 6112-6119, 20500, 20510, 27000-27031, 27036, 28960

PlayStation

3478-3480

3074, 3478-3479

Xbox

3074

88, 500, 3074, 3544, 4500

PC: how to check TPM 2.0 and Secure Boot

  • Press Windows + R, type tpm.msc: "The TPM is ready for use" means TPM is on.

  • Press Windows + R, type msinfo32: BIOS Mode should read UEFI and Secure Boot State should read On.

  • Activision's free Call of Duty Secure Attestation Wizard scans both and says what to change.

  • Windows 10 must be version 22H2 or later; Windows 11 PCs usually already meet the rule.

  • AMD firmware TPM versions 3.*.0.* need a motherboard BIOS update, Activision says.

When to contact Activision Support

Contact Activision Support if the servers show online, your router is reset, ports are open, no VPN is running, and (on PC) the Attestation Wizard reports a compliant system, yet the error repeats on two different networks. If it works on a phone hotspot but not at home, the problem is your router or ISP, so contact them first.

Price and platforms (checked 30 October 2026)

Store

US

UK

Eurozone

India

Steam (Standard)

$69.99

£59.99

€69.99

₹4,999

Steam prices from the Steam store on 30 October 2026. MW4 is on PS5, Xbox Series X|S, PC and Switch 2; none of these fixes cost money.

For players in India

Many Indian broadband plans use ISP-supplied routers with carrier-grade NAT, which can block the port fixes above. If port forwarding does nothing, ask your ISP whether your connection has a public IP. Mobile hotspots from Indian carriers are also usually behind carrier NAT, so a hotspot test proves the game works but may give a Strict NAT type.

Common Mistakes to Avoid

  • Resetting everything during an outage Nothing local helps while Activision servers are down.
  • Leaving a VPN running It can break the sign-in route.
  • Turning off Secure Boot on PC to "fix" another game MW4 then blocks online play.
  • Assuming it is a ban HUENEME-NEGEV is a connection error; bans show a different message.

Frequently asked questions

What does HUENEME-NEGEV mean in MW4?

It is a "Networking Failed to Start" error: the game could not connect to Activision's online services. It is not a ban.

Is HUENEME-NEGEV a server problem?

Often, especially at launches and season starts. Check Activision's online services page first.

Which ports does MW4 use?

Activision has not listed MW4 yet; its list for Black Ops 7 and Warzone includes TCP and UDP 3074 on every platform.

Does TPM 2.0 affect this error on PC?

Yes. MW4 blocks all online modes without TPM 2.0 and Secure Boot, which can show as a networking failure.

Does this error happen on PS5 and Xbox?

Yes. The cause is the connection, so it can hit any platform.

Sources & verification

Sources last verified on . This article covers published information, not hands-on testing.

About the Author

Tulasiram Pemmadi · Owner and editor

Tulasiram Pemmadi is the owner and editor of NextPlayIntel, which operates from India and the United Arab Emirates (UAE). He sets the site's editorial policy and publishes its gaming news, GTA guides, explainers and hardware reference pages. Articles are researched and written with AI assistance and fact-checked against the linked sources. Unless a page says otherwise, guides summarise published information and are not hands-on tests.