2110-3127 blocks eShop and online play when DNS lookup fails. Manual DNS (1.1.1.1) fixes most home router issues.
Usually client-sideUpdated 2026-06-11
2110 series DNS
2110-31xx codes are DNS-related. Router parental controls and Pi-hole blocklists often cause 2110-3127.
How to fix step by step
- 1Check Nintendo Network status.
- 2System Settings → Internet → DNS → Manual → 1.1.1.1 and 1.0.0.1.
- 3Restart router and Switch.
- 4Forget Wi‑Fi network and reconnect.
- 5Test phone hotspot to isolate router DNS.
- 6Update Switch system software.
How 2110-3127 differs from related codes
- Error 2124-4025: Nintendo Switch could not connect to online services — NAT or Nintendo Network issue. (server or client)
- Error 2813-2470: Nintendo eShop could not load. (server or client)