WinInet Error Messages (Windows CE 5.0)

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The Windows Internet Services (WinInet) functions return Win32 error messages where appropriate. The following table shows the error messages that are specific to the WinInet functions.

Constant Description
ERROR_FTP_DROPPED The File Transfer Protocol (FTP) operation was not completed because the session was aborted.
ERROR_FTP_NO_PASSIVE_MODE Passive mode is not available on the server.
ERROR_FTP_TRANSFER_IN_PROGRESS The requested operation cannot be made on the FTP session handle because an operation is already in progress.
ERROR_HTTP_COOKIE_DECLINED The HTTP cookie was declined by the server.
ERROR_HTTP_COOKIE_NEEDS_CONFIRMATION The HTTP cookie requires confirmation.
ERROR_HTTP_DOWNLEVEL_SERVER The server did not return any headers.
ERROR_HTTP_HEADER_ALREADY_EXISTS The header could not be added because it already exists.
ERROR_HTTP_HEADER_NOT_FOUND The requested header could not be located.
ERROR_HTTP_INVALID_HEADER The supplied header is invalid.
ERROR_HTTP_INVALID_QUERY_REQUEST The request made to HttpQueryInfo is invalid.
ERROR_HTTP_INVALID_SERVER_RESPONSE The server response could not be parsed.
ERROR_HTTP_NOT_REDIRECTED The HTTP request was not redirected.
ERROR_HTTP_REDIRECT_FAILED The redirection failed because either the scheme changed (for example, HTTP to FTP) or all attempts made to redirect failed (the default is five attempts).
ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION The redirection requires user confirmation.
ERROR_INTERNET_ASYNC_THREAD_FAILED The application could not start an asynchronous thread.
ERROR_INTERNET_BAD_OPTION_LENGTH The length of an option supplied to InternetQueryOption or InternetSetOption is incorrect for the type of option specified.
ERROR_INTERNET_BAD_REGISTRY_PARAMETER A required registry value was located but is an incorrect type or has an invalid value.
ERROR_INTERNET_CANNOT_CONNECT The attempt to connect to the server failed.
ERROR_INTERNET_CHG_POST_IS_NON_SECURE The application is posting and attempting to change multiple lines of text on a server that is not secure.
ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED The server is requesting client authentication.
ERROR_INTERNET_CLIENT_AUTH_NOT_SETUP Client authorization is not set up on this computer.
ERROR_INTERNET_CONNECTION_ABORTED The connection with the server has been terminated.
ERROR_INTERNET_CONNECTION_RESET The connection with the server has been reset.
ERROR_INTERNET_DIALOG_PENDING Another thread has a password dialog box in progress.
ERROR_INTERNET_DISCONNECTED The Internet connection has been lost.
ERROR_INTERNET_EXTENDED_ERROR An extended error was returned from the server. This is typically a string or buffer containing a verbose error message. Call InternetGetLastResponseInfo to retrieve the error text.
ERROR_INTERNET_FAILED_DUETOSECURITYCHECK The function failed due to a security check.
ERROR_INTERNET_FORCE_RETRY The WinInet function needs to redo the request.
ERROR_INTERNET_FORTEZZA_LOGIN_NEEDED The requested resource requires FORTEZZA authentication.
ERROR_INTERNET_HANDLE_EXISTS The request failed because the handle already exists.
ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR The application is moving from a non–Secure Sockets Layer (SSL) to an SSL connection because of a redirect.
ERROR_INTERNET_HTTPS_HTTP_SUBMIT_REDIR The data being submitted to an SSL connection is being redirected to a non-SSL connection.
ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR The application is moving from an SSL to a non-SSL connection because of a redirect.
ERROR_INTERNET_INCORRECT_FORMAT The format of the request is invalid.
ERROR_INTERNET_INCORRECT_HANDLE_STATE The requested operation cannot be carried out because the handle supplied is not in the correct state.
ERROR_INTERNET_INCORRECT_HANDLE_TYPE The type of handle supplied is incorrect for this operation.
ERROR_INTERNET_INCORRECT_PASSWORD The request to connect and log on to an FTP server could not be completed because the supplied password is incorrect.
ERROR_INTERNET_INCORRECT_USER_NAME The request to connect and log on to an FTP server could not be completed because the supplied user name is incorrect.
ERROR_INTERNET_INSERT_CDROM The request requires a CD-ROM to be inserted in the CD-ROM drive to locate the resource requested.
ERROR_INTERNET_INTERNAL_ERROR An internal error has occurred.
ERROR_INTERNET_INVALID_CA The function is unfamiliar with the certificate authority that generated the server's certificate.
ERROR_INTERNET_INVALID_OPERATION The requested operation is invalid.
ERROR_INTERNET_INVALID_OPTION A request to InternetQueryOption or InternetSetOption specified an invalid option value.
ERROR_INTERNET_INVALID_PROXY_REQUEST The request to the proxy was invalid.
ERROR_INTERNET_ITEM_NOT_FOUND The requested item could not be located.
ERROR_INTERNET_LOGIN_FAILURE The request to connect and log on to an FTP server failed.
The MS-Logoff digest header has been returned from the Web site. This header specifically instructs the digest package to purge credentials for the associated realm. This error will only be returned if INTERNET_ERROR_MASK_LOGIN_FAILURE_DISPLAY_ENTITY_BODY has been set.
ERROR_INTERNET_MIXED_SECURITY The content is not entirely secure. Some of the content being viewed may have come from unsecured servers.
ERROR_INTERNET_NAME_NOT_RESOLVED The server name could not be resolved.
ERROR_INTERNET_NEED_UI A user interface or other blocking operation has been requested.
ERROR_INTERNET_NO_CALLBACK An asynchronous request could not be made because a callback function has not been set.
ERROR_INTERNET_NO_CONTEXT An asynchronous request could not be made because a zero context value was supplied.
ERROR_INTERNET_NO_DIRECT_ACCESS Direct network access cannot be made at this time.
ERROR_INTERNET_NOT_INITIALIZED Initialization of the WinInet function has not occurred. This indicates that a higher-level function, such as InternetOpen, has not been called yet.
ERROR_INTERNET_NOT_PROXY_REQUEST The request cannot be made through a proxy.
ERROR_INTERNET_OPERATION_CANCELLED The operation was canceled, usually because the handle on which the request was operating was closed before the operation completed.
ERROR_INTERNET_OPTION_NOT_SETTABLE The requested option cannot be set, only queried.
ERROR_INTERNET_OUT_OF_HANDLES No more handles could be generated at this time.
ERROR_INTERNET_POST_IS_NON_SECURE The application is posting data to a server that is not secure.
ERROR_INTERNET_PROTOCOL_NOT_FOUND The requested protocol could not be located.
ERROR_INTERNET_PROXY_SERVER_UNREACHABLE The designated proxy server cannot be reached.
ERROR_INTERNET_REDIRECT_SCHEME_CHANGE The function could not handle the redirection because the scheme changed (for example, HTTP to FTP).
ERROR_INTERNET_REGISTRY_VALUE_NOT_FOUND A required registry value could not be located.
ERROR_INTERNET_REQUEST_PENDING The required operation could not be completed because one or more requests are pending.
ERROR_INTERNET_RETRY_DIALOG The dialog box should be retried.
ERROR_INTERNET_SEC_CERT_CN_INVALID The SSL certificate common name (host name field) is incorrect — for example, if you entered www.<server1>.com and the common name on the certificate says www.<server2>.com.
ERROR_INTERNET_SEC_CERT_DATE_INVALID The SSL certificate date that was received from the server is bad. The certificate is expired.
ERROR_INTERNET_SEC_CERT_ERRORS The SSL certificate contains errors.
ERROR_INTERNET_SEC_CERT_NO_REV The SSL certificate was not revoked.
ERROR_INTERNET_SEC_CERT_REV_FAILED  Revocation of the SSL certificate failed.
ERROR_INTERNET_SEC_CERT_REVOKED The SSL certificate was revoked.
ERROR_INTERNET_SEC_INVALID_CERT The SSL certificate is invalid.
ERROR_INTERNET_SECURITY_CHANNEL_ERROR The application experienced an internal error loading the SSL libraries.
ERROR_INTERNET_SERVER_UNREACHABLE The Web site or server indicated is unreachable.
ERROR_INTERNET_SHUTDOWN The WinInet function support is being shut down or unloaded.
ERROR_INTERNET_TCPIP_NOT_INSTALLED The required protocol stack is not loaded and the application cannot start WinSock.
ERROR_INTERNET_TIMEOUT The request has timed out.
ERROR_INTERNET_UNABLE_TO_CACHE_FILE The function was unable to cache the file.
ERROR_INTERNET_UNABLE_TO_DOWNLOAD_SCRIPT The automatic proxy configuration script could not be downloaded. The INTERNET_FLAG_MUST_CACHE_REQUEST flag was set.
ERROR_INTERNET_UNRECOGNIZED_SCHEME The URL scheme could not be recognized or is not supported.
ERROR_INVALID_HANDLE The handle that was passed to the API has been either invalidated or closed. This is a Win32 error code.
ERROR_MORE_DATA More data is available. This is a Win32 error code.
ERROR_NO_MORE_FILES No more files have been found. This is a Win32 error code.
ERROR_NO_MORE_ITEMS No more items have been found. This is a Win32 error code.
INTERNET_ERROR_BASE Not an error code. This is the base value used for the Internet error codes.

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