---
title: NEDNSProxyManagerError.configurationStale
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/nednsproxymanagererror/configurationstale
---

# NEDNSProxyManagerError.configurationStale

Outdated DNS proxy configuration that needs to be loaded.

## Declaration

```swift
case configurationStale
```

## Discussion

Discussion You must load the configuration with a call to loadFromPreferences(completionHandler:) before you can save it.

## See Also

### Enumeration Cases

- [NEDNSProxyManagerError.configurationInvalid](networkextension/nednsproxymanagererror/configurationinvalid.md)
- [NEDNSProxyManagerError.configurationDisabled](networkextension/nednsproxymanagererror/configurationdisabled.md)
- [NEDNSProxyManagerError.configurationCannotBeRemoved](networkextension/nednsproxymanagererror/configurationcannotberemoved.md)