<!--
{
  "availability" : [
    "iOS: 9.0.0 -",
    "iPadOS: 9.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.11.0 -",
    "tvOS: 17.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "NetworkExtension",
  "identifier" : "/documentation/NetworkExtension/NETunnelProviderError-swift.struct",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Network Extension"
    ],
    "preciseIdentifier" : "s:SC21NETunnelProviderErrorLeV"
  },
  "title" : "NETunnelProviderError"
}
-->

# NETunnelProviderError

An error that the tunnel provider encounters.

```
struct NETunnelProviderError
```

## Topics

### Creating an error instance

### Error information

[`NETunnelProviderError.Code`](/documentation/NetworkExtension/NETunnelProviderError-swift.struct/Code)

Error codes that the tunnel provider declares.

### Error codes

[`networkSettingsInvalid`](/documentation/NetworkExtension/NETunnelProviderError-swift.struct/networkSettingsInvalid)

The provided tunnel network settings are invalid.

[`networkSettingsCanceled`](/documentation/NetworkExtension/NETunnelProviderError-swift.struct/networkSettingsCanceled)

The request to set or clear the tunnel network settings was canceled.

[`networkSettingsFailed`](/documentation/NetworkExtension/NETunnelProviderError-swift.struct/networkSettingsFailed)

The request to set or clear the tunnel network settings failed.

### Error domain

### Comparing errors

### Hashing

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)