Windows Update Errors

WU_E_CALL_

Operation did not complete because the DisableWindowsUpdateAccess policy was set.

WU_E_INVAL

The format of the proxy list was invalid.

WU_E_INVAL

The file is in the wrong format.

WU_E_INVAL

The search criteria string was invalid.

WU_E_EULA_

License terms could not be downloaded.

WU_E_DOWNL

Update failed to download.

WU_E_UPDAT

The update was not processed.

WU_E_INVAL

The object's current state did not allow the operation.

WU_E_NOT_S

The functionality for the operation is not supported.

WU_E_WINHT

The downloaded file has an unexpected content type.

WU_E_TOO_M

Agent is asked by server to resync too many times.

WU_E_NO_SE

WUA API method does not run on Server Core installation.

WU_E_SYSPR

Service is not available while sysprep is running.

WU_E_UNKNO

The update service is no longer registered with AU.

WU_E_UNEXP

An operation failed due to reasons not covered by another error code.

WU_E_MSI_W

Search may have missed some updates because the Windows Installer is less than version 3.1.

WU_E_MSI_N

Search may have missed some updates because the Windows Installer is not configured.

WU_E_MSP_D

Search may have missed some updates because policy has disabled Windows Installer patching.

WU_E_MSI_W

An update could not be applied because the application is installed per-user.

WU_E_MSP_U

Search may have missed some updates because there was a failure of the Windows Installer.

WU_E_PT_SO

WU_E_PT_SOAPCLIENT_* error codes map to the SOAPCLIENT_ERROR enum of the ATL Server Library.

WU_E_PT_SO

Same as SOAPCLIENT_INITIALIZE_ERROR - initialization of the SOAP client failed, possibly because of an MSXML installation failure.

WU_E_PT_SO

Same as SOAPCLIENT_OUTOFMEMORY - SOAP client failed because it ran out of memory.

WU_E_PT_SO

Same as SOAPCLIENT_GENERATE_ERROR - SOAP client failed to generate the request.

WU_E_PT_SO

Same as SOAPCLIENT_CONNECT_ERROR - SOAP client failed to connect to the server.

WU_E_PT_SO

Same as SOAPCLIENT_SEND_ERROR - SOAP client failed to send a message for reasons of WU_E_WINHTTP_* error codes.

WU_E_PT_SO

Same as SOAPCLIENT_SERVER_ERROR - SOAP client failed because there was a server error.

WU_E_PT_SO

Same as SOAPCLIENT_SOAPFAULT - SOAP client failed because there was a SOAP fault for reasons of WU_E_PT_SOAP_* error codes.

WU_E_PT_SO

Same as SOAPCLIENT_PARSEFAULT_ERROR - SOAP client failed to parse a SOAP fault.

WU_E_PT_SO

Same as SOAPCLIENT_READ_ERROR - SOAP client failed while reading the response from the server.

WU_E_PT_SO

Same as SOAPCLIENT_PARSE_ERROR - SOAP client failed to parse the response from the server.

WU_E_PT_SO

Same as SOAP_E_VERSION_MISMATCH - SOAP client found an unrecognizable namespace for the SOAP envelope.

WU_E_PT_SO

Same as SOAP_E_MUST_UNDERSTAND - SOAP client was unable to understand a header.

WU_E_PT_SO

Same as SOAP_E_CLIENT - SOAP client found the message was malformed; fix before resending.

WU_E_PT_SO

Same as SOAP_E_SERVER - The SOAP message could not be processed due to a server error; resend later.

WU_E_PT_WM

There was an unspecified Windows Management Instrumentation (WMI) error.

WU_E_PT_EX

The number of round trips to the server exceeded the maximum limit.

WU_E_PT_SU

WUServer policy value is missing in the registry.

WU_E_PT_DO

Initialization failed because the object was already initialized.

WU_E_PT_IN

The computer name could not be determined.

WU_E_PT_IN

Cannot determine computer LSID.

WU_E_PT_RE

The reply from the server indicates that the server was changed or the cookie was invalid; refresh the state of the internal cache and retry.

WU_E_PT_HT

Same as HTTP status 400 - the server could not process the request due to invalid syntax.

WU_E_PT_HT

Same as HTTP status 401 - the requested resource requires user authentication.

WU_E_PT_HT

Same as HTTP status 403 - server understood the request, but declined to fulfill it.

WU_E_PT_HT

Same as HTTP status 404 - the server cannot find the requested URI (Uniform Resource Identifier)

WU_E_PT_HT

Same as HTTP status 405 - the HTTP method is not allowed.

WU_E_PT_HT

Same as HTTP status 407 - proxy authentication is required.

WU_E_PT_HT

Same as HTTP status 408 - the server timed out waiting for the request.

WU_E_PT_HT

Same as HTTP status 409 - the request was not completed due to a conflict with the current state of the resource.