Genshin 4201 & 4206 Error Codes | What's Preventing You From Connecting

When Genshin Impact shows Error Code 4201 or 4206, players usually encounter one of two situations: repeated connection failures at the login screen that prevent them from entering Teyvat, or sudden disconnections after entering the game, such as while teleporting, entering Domains, playing Co-Op, or fighting.

Both codes point to a connection problem between the client and the server, but the error code alone cannot identify one specific cause. It does not mean your account is banned, prove that game files are corrupted, or necessarily mean that your home internet plan lacks enough bandwidth.

The useful question is when the error occurs, and whether it happens only on a specific network, server region, or at certain times. Start from the situation you are actually experiencing.

What Do 4201 and 4206 Mean?

Both 4201 and 4206 are Genshin Impact connection errors. They indicate that the game client could not establish or maintain communication with the server.

Possible causes include:

• Genshin Impact server maintenance, updates, or temporary service issues;
• An incomplete game or launcher update;
• A temporary loss of network stability;
• Wi-Fi interference, background uploads, or household network congestion;
• A VPN, proxy, or multiple network tools changing the connection route;
• Detours, congestion, or unstable handoffs between your device and the selected server region.

Online guides often force a strict distinction between the two codes, claiming that one only means login failure while the other only means an in-game disconnect. That is not a reliable troubleshooting method. Either code can appear at different connection stages, so your next step should depend on what actually happens.

First, Identify Whether the Error Happens Before Login or During Gameplay

The point where Error 4201 or 4206 appears gives you a better starting point than the code alone.

What happens	What it usually tells you	Start here
The loading screen stops before you enter Teyvat	The game cannot complete login communication	Check official announcements, restart the launcher, confirm updates are complete, then try another network once
You can enter the game but disconnect while teleporting, loading a Domain, or joining Co-Op	Login worked, but the connection is not staying stable	Check Wi-Fi, household upload traffic, and whether the issue only appears in certain activities or at certain times
The error appears only on one server region or with distant Co-Op friends	The route to that server may be unstable	Compare another network or server region, then consider route optimization
Many players cannot log in or event pages also fail	The problem is more likely server-side	Wait for HoYoverse to restore the service

If login fails before you enter the game, do not jump straight to reinstalling. Fully close the game and launcher, make sure no update is pending, restart your device and network connection, and pause cloud sync, downloads, or video uploads. Then try one different network, such as a mobile hotspot or another stable Wi-Fi connection.

If the error happens after you are already in Teyvat, look for a repeatable pattern instead. Does it appear only during Co-Op, Domain loading, or teleporting? Does it get worse while someone at home is streaming, uploading, or on a video call? Does mobile data, another Wi-Fi network, or Ethernet make it disappear?

These comparisons reveal more than treating 4201 and 4206 as two completely different errors. A login-only failure points toward service access, updates, or the current network. A mid-session disconnect points more toward connection stability.

Start With Your Local Network, but Do Not Change Random Settings

Use one simple comparison instead of changing several settings.

• PC and console: Test one full session over Ethernet. If 4201 or 4206 becomes much less frequent, Wi-Fi distance, interference, or household wireless traffic is likely involved.
• Mobile: Test the same server once on Wi-Fi and once on mobile data. Mobile data does not need lower ping to be useful; it only needs to show whether the problem is specific to your home network.
• All platforms: Pause cloud sync, downloads, video calls, livestreams, and uploads. Upload traffic can interrupt real-time game data even when normal browsing still works.

If you use a VPN or proxy, turn it off before testing. Do not run several VPNs or network tools together, and do not disable your firewall or copy random port-forwarding rules just because you see Error 4201 or 4206.

If Errors Start After an Update, Confirm the Client Is Complete

After a version update, players often assume every login failure is caused by server congestion. However, an incomplete local update, launcher-resource problem, or corrupted game file can also stop the connection process from completing.

PC players can use the launcher’s repair or file-check feature to verify local resources. Mobile and console players should first check their relevant store or system download page for pending updates, paused downloads, or incomplete installations.

If many players experience connection issues on update day, official announcements should come first. If only your client continues to fail and a file check finds an issue, then address the local game files.

Reinstalling should come later. It is appropriate when file repair repeatedly fails, updates continue to show errors, or the launcher cannot operate normally. It should not be the default response whenever 4201 or 4206 appears.

How Can I Fix the Connection?

If the Genshin servers are fine and your local network has no issues, you should check whether data is being correctly delivered to the server. The method is simple: you only need GearUP. Through its route optimization, if it can successfully eliminate those two error codes, that means the fault is on the route, and GearUP is a suitable solution.

Its intelligent algorithm calculates the optimal path each time and automatically establishes the connection without any extra action. You can think of it as an intelligent network guide. GearUP also provides a comprehensive solution across platforms. Whether you play Genshin on PC, mobile, or console, there are corresponding tools:

PC GearUP client:

GearUP Mobile, providing a one tap boost for mobile devices:

Console players can choose the router plugin, which can be installed directly on the router. It is better suited for living room play and does not require enabling the PC GearUP.

• ASUS partner router user guide
• ZTE partner router user guide
• Tenda partner router user guide
• OpenWrt router installation guide
• Keenetic/Netcraze router installation guide
• Steam Hardware Plugin Installation Guide

Why Do Other Games Work While Genshin Impact Shows 4201 or 4206?

Different games use different account services, server regions, and network routes.

Other games working only proves that your internet is not fully disconnected. It does not prove that your route to the current Genshin Impact server is equally stable. This is especially relevant when you are far from the server, playing Co-Op across regions, or seeing problems only on one server region. Detours, congestion, and unstable handoffs on your ISP’s default route can affect Genshin Impact without affecting other apps.

DNS should also be understood in the right context. It mainly translates a service address into a network address. It may help with some address-resolution or initial-access issues, but it does not automatically make an active game connection use a shorter or more stable route. Repeatedly changing DNS is therefore not the main solution for mid-game disconnects or instability on a specific server.

When Should You Contact Official Support?

If you have tested different networks, confirmed that the game version is current, and ruled out maintenance or widespread service issues, but Error 4201 or 4206 continues to appear, contact HoYoverse through in-game Feedback or official support. This is especially important if you see a specific account-verification message, cannot complete login verification, or the client repeatedly fails file repair.

Include an error screenshot, the time it occurred, your selected server region, platform, and ISP. This gives support more useful information than only reporting “Error 4201.”

The key to Error 4201 and 4206 is not guessing their exact internal difference. Identify where the connection loses stability. For failures before login, check service status, updates, and your current network. For mid-game disconnects, rule out Wi-Fi and household network traffic. If the basic checks are normal but errors continue in a certain region or at specific times, use GearUP to improve the route to the Genshin Impact server.