Error codes returned by the HTTP protocol and APIs based on that protocol.
public enum class WebErrorStatus
| Member | Value | Description |
|---|---|---|
| Unknown | 0 | An unknown error has occurred. |
| CertificateCommonNameIsIncorrect | 1 | The SSL certificate common name does not match the web address. |
| CertificateExpired | 2 | The SSL certificate has expired. |
| CertificateContainsErrors | 3 | The SSL certificate contains errors. |
| CertificateRevoked | 4 | The SSL certificate has been revoked. |
| CertificateIsInvalid | 5 | The SSL certificate is invalid. |
| ServerUnreachable | 6 | The server is not responding. |
| Timeout | 7 | The connection has timed out. |
| ErrorHttpInvalidServerResponse | 8 | The server returned an invalid or unrecognized response. |
| ConnectionAborted | 9 | The connection was aborted. |
| ConnectionReset | 10 | The connection was reset. |
| Disconnected | 11 | The connection was ended. |
| HttpToHttpsOnRedirection | 12 | Redirected from a location to a secure location. |
| HttpsToHttpOnRedirection | 13 | Redirected from a secure location to an unsecure location. |
| CannotConnect | 14 | Cannot connect to destination. |
| HostNameNotResolved | 15 | Could not resolve provided host name. |
| OperationCanceled | 16 | The operation was canceled. |
| RedirectFailed | 17 | The request redirect failed. |
| UnexpectedStatusCode | 18 | An unexpected status code indicating a failure was received. |
| UnexpectedRedirection | 19 | A request was unexpectedly redirected. |
| UnexpectedClientError | 20 | An unexpected client-side error has occurred. |
| UnexpectedServerError | 21 | An unexpected server-side error has occurred. |
| MultipleChoices | 300 | The requested URL represents a high level grouping of which lower level selections need to be made. |
| MovedPermanently | 301 | This and all future requests should be directed to the given URI. |
| Found | 302 | The resource was found but is available in a location different from the one included in the request. |
| SeeOther | 303 | The resource was found but is available in a location different from the one included in the request. |
| NotModified | 304 | Indicates the resource has not been modified since last requested. |
| UseProxy | 305 | The requested resource must be accessed through the proxy given by the Location field. |
| TemporaryRedirect | 307 | The requested resource resides temporarily under a different URI. |
| BadRequest | 400 | The request cannot be fulfilled due to bad syntax. |
| Unauthorized | 401 | Authentication has failed or credentials have not yet been provided. |
| PaymentRequired | 402 | Reserved. |
| Forbidden | 403 | The server has refused the request. |
| NotFound | 404 | The requested resource could not be found but may be available again in the future. |
| MethodNotAllowed | 405 | A request was made of a resource using a request method not supported by that resource. |
| NotAcceptable | 406 | The requested resource is only capable of generating content not acceptable according to the Accept headers sent in the request. |
| ProxyAuthenticationRequired | 407 | The client must first authenticate itself with the proxy. |
| RequestTimeout | 408 | The server timed out waiting for the request. |
| Conflict | 409 | Indicates that the request could not be processed because of conflict in the request. |
| Gone | 410 | Indicates that the resource requested is no longer available and will not be available again. |
| LengthRequired | 411 | The request did not specify the length of its content, which is required by the requested resource. |
| PreconditionFailed | 412 | The server does not meet one of the preconditions that the requester put on the request. |
| RequestEntityTooLarge | 413 | The request is larger than the server is willing or able to process. |
| RequestUriTooLong | 414 | Provided URI length exceeds the maximum length the server can process. |
| UnsupportedMediaType | 415 | The request entity has a media type which the server or resource does not support. |
| RequestedRangeNotSatisfiable | 416 | The client has asked for a portion of the file, but the server cannot supply that portion. |
| ExpectationFailed | 417 | The server cannot meet the requirements of the Expect request-header field. |
| InternalServerError | 500 | A generic error message, given when no more specific message is suitable. |
| NotImplemented | 501 | The server either does not recognize the request method, or it lacks the ability to fulfill the request. |
| BadGateway | 502 | The server was acting as a gateway or proxy and received an invalid response from the upstream server. |
| ServiceUnavailable | 503 | The server is currently unavailable. |
| GatewayTimeout | 504 | The server was acting as a gateway or proxy and did not receive a timely response from the upstream server. |
| HttpVersionNotSupported | 505 | The server does not support the HTTP protocol version used in the request. |
Namespace: Windows.Web
Metadata: windows.winmd