The Windows Update Agent (WUA) API can return the following error codes when performing network operations such as searching for updates:
- WU_E_PT_WINHTTP_NAME_NOT_RESOLVED
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- 0x8024402C
- Same as ERROR_WINHTTP_NAME_NOT_RESOLVED - The proxy server or target server name cannot be resolved.
- WU_E_PT_HTTP_STATUS_BAD_REQUEST
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- 0x80244016
- Same as HTTP status 400 – The server could not process the request due to invalid syntax.
- WU_E_PT_HTTP_STATUS_DENIED
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- 0x80244017
- Same as HTTP status 401 – The requested resource requires user authentication.
- WU_E_PT_HTTP_STATUS_FORBIDDEN
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- 0x80244018
- Same as HTTP status 403 – Server understood the request, but declines to fulfill it.
- WU_E_PT_HTTP_STATUS_NOT_FOUND
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- 0x80244019
- Same as HTTP status 404 – The server cannot find the requested URI (Uniform Resource Identifier).
- WU_E_PT_HTTP_STATUS_BAD_METHOD
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- 0x8024401A
- Same as HTTP status 405 – The HTTP method is not allowed.
- WU_E_PT_HTTP_STATUS_PROXY_AUTH_REQ
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- 0x8024401B
- Same as HTTP status 407 – Proxy authentication is required.
- WU_E_PT_HTTP_STATUS_REQUEST_TIMEOUT
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- 0x8024401C
- Same as HTTP status 408 – The server timed out waiting for the request.
- WU_E_PT_HTTP_STATUS_CONFLICT
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- 0x8024401D
- Same as HTTP status 409 – The request was not completed due to a conflict with the current state of the resource.
- WU_E_PT_HTTP_STATUS_GONE
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- 0x8024401E
- Same as HTTP status 410 – Requested resource is no longer available at the server.
- WU_E_PT_HTTP_STATUS_SERVER_ERROR
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- 0x8024401F
- Same as HTTP status 500 – An error internal to the server prevented fulfilling the request.
- WU_E_PT_HTTP_STATUS_NOT_SUPPORTED
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- 0x80244020
- Same as HTTP status 501 – Server does not support the functionality required to fulfill the request.
- WU_E_PT_HTTP_STATUS_BAD_GATEWAY
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- 0x80244021
- Same as HTTP status 502 – The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.
- WU_E_PT_HTTP_STATUS_SERVICE_UNAVAIL
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- 0x80244022
- Same as HTTP status 503 – The service is temporarily overloaded.
- WU_E_PT_HTTP_STATUS_GATEWAY_TIMEOUT
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- 0x80244023
- Same as HTTP status 504 – The request was timed out waiting for a gateway.
- WU_E_PT_HTTP_STATUS_VERSION_NOT_SUP
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- 0x80244024
- Same as HTTP status 505 – The server does not support the HTTP protocol version used for the request.
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Build date: 11/18/2009