3 Ways to Fix the DayZ 0x00400f0 Error (Tested & Working)

Are you stuck with the DayZ 0x00400f0 error? Don’t worry – you’re just a step away from fixing it.

Whenever the issue occurs, it usually kicks you out of gameplay. This spoils the fun, resulting in missed opportunities. 

Having been there before, I managed to evade the issue using simple and painless solutions. The best part? You can do it too!  

So, buckle up, and let’s check them out.

Quick Guide: How to fix the DayZ 0x00400f0 error

Use the following steps:

1. Sign up for SmartDNS Proxy.
2. Obtain your alternative DNS addresses.
3. Configure your router with the new DNSs.
4. Reboot the router.
5. Relaunch gameplay.

That’s easy, right?

Why does DayZ show the 0x00400f0 error?

The 0x00400f0 error relates to BattleEye, an anti-cheating software used by DayZ. It triggers whenever it detects players are trying to cheat during online gaming.

There are several potential causes, beginning with using a virtual private network (VPN). Such a service employs heavy encryption, causing DayZ’s user authentication to fail.

Some VPNs also restrict certain connections due to false suspicion. If that happens, BattleEye will kick you out because of your VPN blocked it.

Another issue is that Steam, the software for running Dayz, can encounter connectivity problems. Accordingly, this usually makes it difficult to join the game and play it.

Frustrating, isn’t it? But don’t worry. I’ve got solutions for you!

How to fix the DayZ 0x00400f0 error

There are various ways to fix DayZ’s 0x00400f0 error. These require minimal effort to implement. 

Check them out below:

1. Switch VPN protocols

The choice of VPN protocol can cause DayZ to pop the 0x00400f0 error. This happens because if using protocols that aren’t compatible with BattleEye.

Some popular alternatives in most VPNs include OpenVPN, WireGuard, and IKEv2. As such, you can switch between them to find the one that works. 

Here’s how:

1. Run your VPN application or disable it if running. In my case, I prefer using NordVPN for being robust and reliable.
2. Open the Settings on the VPN and look for Connection options.

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3. Locate the VPN Protocol and switch to a different alternative.
4. Connect to any location, preferably in the United States or European countries.

5. Relaunch DayZ and enjoy gameplay.

Other vendors, such as NordVPN, ExpressVPN, and VyprVPN, also offer in-house protocols. These include NordLynx, Lightway, and Chameleon, optimized for security, speed, and privacy. 

One common thing about them is they offer a seamless online experience. You should expect flawless browsing, streaming, and gaming.

You can also explore other VPN-related fixes, like changing servers and switching vendors. The workarounds are easy to follow and well-documented.

2. Change DayZ server

DayZ maintains its gaming servers weekly. During that time, some can go offline, causing the 0x00400f0 error.

I’m pretty sure you were unaware of this, but now you’re informed. So, don’t panic when you suddenly get kicked out of gameplay. 

Instead, do the following:

1. Access the Main Menu on DayZ.
2. Wait for the list of available servers to populate.
3. Connect to your desired server on the left side of the window. The process can take about a minute to complete.

4. Click Play to resume gameplay.

I recommend choosing a server with the lowest ping. This will give you fast response time and butter-smooth transitions.  

3. Use SmartDNS Proxy

SmartDNS Proxy is a service that provides location spoofing without requiring complicated configurations. The service reroutes traffic through a remote DNS server, masking your privacy.

Unlike a VPN, it provides basic encryption, which reduces connection overheads. These translate to faster speeds, perfect for butter-smooth online gaming.

One thing I like about SmartDNS proxy is it doesn’t require third-party apps. All you need to do is change your device’s primary and alternative DNS.

Follow these steps: 

1. Sign up for SmartDNS Proxy.
2. Check your account for the Primary and Alternative DNS addresses. Ensure you pick the ones for the United States or any European country.
3. Access your router’s administrator panel and search for DNS settings.

4. Change the Primary and Alternative DNS details with the ones obtained under Step 2.
5. Save and reboot your router. 

6. Launch DayZ and connect.

SmartDNS Proxy provides a 14-day free trial to explore the service risk-free. Even better, you don’t need a credit card to claim the offer.

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Wrapping up

The DayZ 0x00400f0 error can be so frustrating when it occurs. It disconnects you from the game, ending the fun prematurely.

This mostly happens to gamers hiding behind VPNs. Luckily, I’ve equipped you with multiple workarounds to fix this problem. 

Switching VPN protocols is the easiest option to resolve underlying connectivity issues. Changing DayZ servers also helps, especially when the one you’re hooked to goes down. 

If the problem persists, consider using a premium DNS service. You’ll experience better internet speeds while enjoying privacy during gaming.