---
title: NEVPNConnectionError.clientCertificateExpired
framework: networkextension
role: symbol
role_heading: Case
path: networkextension/nevpnconnectionerror/clientcertificateexpired
---

# NEVPNConnectionError.clientCertificateExpired

An error code that indicates the client certfiicate’s validity period has passed.

## Declaration

```swift
case clientCertificateExpired
```

## See Also

### Client certificate error codes

- [NEVPNConnectionError.clientCertificateInvalid](networkextension/nevpnconnectionerror/clientcertificateinvalid.md)
- [NEVPNConnectionError.clientCertificateNotYetValid](networkextension/nevpnconnectionerror/clientcertificatenotyetvalid.md)