Error code 1001_1 in Honkai: Star Rail is a network connectivity error that prevents the game from logging in or connecting to the server. It is most often caused by problems with your internet connection, a local network device, or the game’s servers.
🧐 What is Error 1001_1?
Error 1001_1 is a login / connectivity error — the game is failing to connect your device to the HoYoverse servers.
Common triggers include:
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Unstable or blocked internet connection
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DNS or routing problems (your ISP, or how your network is resolving domains)
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Use of VPNs, proxies, or ad-blocking / firewall software that interfere with the game traffic
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Corrupt or bad game files (on PC / in the launcher)
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Temporary server outages or maintenance by HoYoverse
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✅ Step‑by‑Step Fixes to Try
Try these in order until one works. Depending on whether you’re on PC, console, or mobile, some steps may or may not apply.
| Step | What to Do | Why It Helps |
|---|---|---|
| 1 | Check server status / maintenance | If servers are down, there’s nothing you can do except wait. |
| 2 | Switch network (Wi-Fi ↔ mobile data / another Wi-Fi / hotspot) | Sometimes your ISP or current network is blocking or routing badly. Many reports say switching fixed it. |
| 3 | Change DNS settings | Use public DNS like 1.1.1.1 / 1.0.0.1 (Cloudflare) or 8.8.8.8 / 8.8.4.4 (Google) |
| 4 | Flush DNS cache (PC) | On Windows: open Command Prompt and ipconfig /flushdns. This clears stale DNS mappings. |
| 5 | Disable VPN / Proxies / Ad-blockers / Firewalls | These might block or reroute connections the game needs. Many users confirmed disabling these helped. |
| 6 | Clear game cache / data | On mobile: clear app cache or data. On PC: delete the game’s cache or “HoYoverse” local folders. |
| 7 | Repair / verify game files | In the launcher, use the “Repair” option (if available) to fix corrupted files. |
| 8 | Reinstall the game | If corruption is severe, a fresh install can help. |
| 9 | Contact support | If none of the above work, reach out to HoYoverse / the game’s official support. |
Contact customer support
If the problem persists after trying these steps, reach out to HoYoverse support for help. Provide your platform and a detailed description of the issue to help them assist you.
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