Appendix G: Windows Update Agent Result Codes

Applies To: Windows Server 2003 with SP2, Windows Server Update Services

The Windows Update Agent uses the following set of result codes.

Windows Update Agent result codes

The tables in this section show the result code (hexadecimal value), the corresponding string, and the description.

The following table shows WUA success codes.

Result Code	Result String	Description
0x240001	WU_S_SERVICE_STOP	Windows Update Agent was stopped successfully.
0x240002	WU_S_SELFUPDATE	Windows Update Agent updated itself.
0x240003	WU_S_UPDATE_ERROR	Operation completed successfully but there were errors applying the updates..
0x240004	WU_S_MARKED_FOR_DISCONNECT	A callback was marked to be disconnected later because the request to disconnect the operation came while a callback was executing.
0x240005	WU_S_REBOOT_REQUIRED	The system must be restarted to complete installation of the update.
0x240006	WU_S_ALREADY_INSTALLED	The update to be installed is already installed on the system.
0x240007	WU_S_ALREADY_UNINSTALLED	The update to be removed is not installed on the system.
0x240008	WU_S_ALREADY_DOWNLOADED	The update to be downloaded has already been downloaded.

The following table shows WUA error codes.

Result Code	Result String	Description
0x80240001	WU_E_NO_SERVICE	Windows Update Agent was unable to provide the service.
0x80240002	WU_E_MAX_CAPACITY_REACHED	The maximum capacity of the service was exceeded.
0x80240003	WU_E_UNKNOWN_ID	An ID cannot be found.
0x80240004	WU_E_NOT_INITIALIZED	The object could not be initialized.
0x80240005	WU_E_RANGEOVERLAP	The update handler requested a byte range overlapping a previously requested range.
0x80240006	WU_E_TOOMANYRANGES	The requested number of byte ranges exceeds the maximum number (2^31 - 1).
0x80240007	WU_E_INVALIDINDEX	The index to a collection was invalid.
0x80240008	WU_E_ITEMNOTFOUND	The key for the item queried could not be found.
0x80240009	WU_E_OPERATIONINPROGRESS	Another conflicting operation was in progress. Some operations such as installation cannot be performed twice simultaneously.
0x8024000A	WU_E_COULDNOTCANCEL	Cancellation of the operation was not allowed.
0x8024000B	WU_E_CALL_CANCELLED	Operation was cancelled.
0x8024000C	WU_E_NOOP	No operation was required.
0x8024000D	WU_E_XML_MISSINGDATA	Windows Update Agent could not find required information in the update's XML data.
0x8024000E	WU_E_XML_INVALID	Windows Update Agent found invalid information in the update's XML data.
0x8024000F	WU_E_CYCLE_DETECTED	Circular update relationships were detected in the metadata.
0x80240010	WU_E_TOO_DEEP_RELATION	Update relationships too deep to evaluate were evaluated.
0x80240011	WU_E_INVALID_RELATIONSHIP	An invalid update relationship was detected.
0x80240012	WU_E_REG_VALUE_INVALID	An invalid registry value was read.
0x80240013	WU_E_DUPLICATE_ITEM	Operation tried to add a duplicate item to a list.
0x80240016	WU_E_INSTALL_NOT_ALLOWED	Operation tried to install while another installation was in progress or the system was pending a mandatory restart.
0x80240017	WU_E_NOT_APPLICABLE	Operation was not performed because there are no applicable updates.
0x80240018	WU_E_NO_USERTOKEN	Operation failed because a required user token is missing.
0x80240019	WU_E_EXCLUSIVE_INSTALL_CONFLICT	An exclusive update cannot be installed with other updates at the same time.
0x8024001A	WU_E_POLICY_NOT_SET	A policy value was not set.
0x8024001B	WU_E_SELFUPDATE_IN_PROGRESS	The operation could not be performed because the Windows Update Agent is self-updating.
0x8024001D	WU_E_INVALID_UPDATE	An update contains invalid metadata.
0x8024001E	WU_E_SERVICE_STOP	Operation did not complete because the service or system was being shut down.
0x8024001F	WU_E_NO_CONNECTION	Operation did not complete because the network connection was unavailable.
0x80240020	WU_E_NO_INTERACTIVE_USER	Operation did not complete because there is no logged-on interactive user.
0x80240021	WU_E_TIME_OUT	Operation did not complete because it timed out.
0x80240022	WU_E_ALL_UPDATES_FAILED	Operation failed for all the updates.
0x80240023	WU_E_EULAS_DECLINED	The license terms for all updates were declined.
0x80240024	WU_E_NO_UPDATE	There are no updates.
0x80240025	WU_E_USER_ACCESS_DISABLED	Group Policy settings prevented access to Windows Update.
0x80240026	WU_E_INVALID_UPDATE_TYPE	The type of update is invalid.
0x80240027	WU_E_URL_TOO_LONG	The URL exceeded the maximum length.
0x80240028	WU_E_UNINSTALL_NOT_ALLOWED	The update could not be uninstalled because the request did not originate from a WSUS server.
0x80240029	WU_E_INVALID_PRODUCT_LICENSE	Search may have missed some updates before there is an unlicensed application on the system.
0x8024002A	WU_E_MISSING_HANDLER	A component required to detect applicable updates was missing.
0x8024002B	WU_E_LEGACYSERVER	An operation did not complete because it requires a newer version of server.
0x8024002C	WU_E_BIN_SOURCE_ABSENT	A delta-compressed update could not be installed because it required the source.
0x8024002D	WU_E_SOURCE_ABSENT	A full-file update could not be installed because it required the source.
0x8024002E	WU_E_WU_DISABLED	Access to an unmanaged server is not allowed.
0x8024002F	WU_E_CALL_CANCELLED_BY_POLICY	Operation did not complete because the DisableWindowsUpdateAccess policy was set.
0x80240030	WU_E_INVALID_PROXY_SERVER	The format of the proxy list was invalid.
0x80240031	WU_E_INVALID_FILE	The file is in the wrong format.
0x80240032	WU_E_INVALID_CRITERIA	The search criteria string was invalid.
0x80240033	WU_E_EULA_UNAVAILABLE	License terms could not be downloaded.
0x80240034	WU_E_DOWNLOAD_FAILED	Update failed to download.
0x80240035	WU_E_UPDATE_NOT_PROCESSED	The update was not processed.
0x80240036	WU_E_INVALID_OPERATION	The object's current state did not allow the operation.
0x80240037	WU_E_NOT_SUPPORTED	The functionality for the operation is not supported.
0x80240038	WU_E_WINHTTP_INVALID_FILE	The downloaded file has an unexpected content type.
0x80240039	WU_E_TOO_MANY_RESYNC	Agent is asked by server to resync too many times.
0x80240040	WU_E_NO_SERVER_CORE_SUPPORT	WUA API method does not run on Server Core installation.
0x80240041	WU_E_SYSPREP_IN_PROGRESS	Service is not available while sysprep is running.
0x80240042	WU_E_UNKNOWN_SERVICE	The update service is no longer registered with AU.
0x80240FFF	WU_E_UNEXPECTED	An operation failed due to reasons not covered by another error code.
0x80241001	WU_E_MSI_WRONG_VERSION	Search may have missed some updates because the Windows Installer is less than version 3.1.
0x80241002	WU_E_MSI_NOT_CONFIGURED	Search may have missed some updates because the Windows Installer is not configured.
0x80241003	WU_E_MSP_DISABLED	Search may have missed some updates because policy has disabled Windows Installer patching.
0x80241004	WU_E_MSI_WRONG_APP_CONTEXT	An update could not be applied because the application is installed per-user.
0x80241FFF	WU_E_MSP_UNEXPECTED	Search may have missed some updates because there was a failure of the Windows Installer.
0x80242000	WU_E_UH_REMOTEUNAVAILABLE	A request for a remote update handler could not be completed because no remote process is available.
0x80242001	WU_E_UH_LOCALONLY	A request for a remote update handler could not be completed because the handler is local only.
0x80242002	WU_E_UH_UNKNOWNHANDLER	A request for an update handler could not be completed because the handler could not be recognized.
0x80242003	WU_E_UH_REMOTEALREADYACTIVE	A remote update handler could not be created because one already exists.
0x80242004	WU_E_UH_DOESNOTSUPPORTACTION	A request for the handler to install (uninstall) an update could not be completed because the update does not support install (uninstall).
0x80242005	WU_E_UH_WRONGHANDLER	An operation did not complete because the wrong handler was specified.
0x80242006	WU_E_UH_INVALIDMETADATA	A handler operation could not be completed because the update contains invalid metadata.
0x80242007	WU_E_UH_INSTALLERHUNG	An operation could not be completed because the installer exceeded the time limit.
0x80242008	WU_E_UH_OPERATIONCANCELLED	An operation being done by the update handler was cancelled.
0x80242009	WU_E_UH_BADHANDLERXML	An operation could not be completed because the handler-specific metadata is invalid.
0x8024200A	WU_E_UH_CANREQUIREINPUT	A request to the handler to install an update could not be completed because the update requires user input.
0x8024200B	WU_E_UH_INSTALLERFAILURE	The installer failed to install (uninstall) one or more updates.
0x8024200C	WU_E_UH_FALLBACKTOSELFCONTAINED	The update handler should download self-contained content rather than delta-compressed content for the update.
0x8024200D	WU_E_UH_NEEDANOTHERDOWNLOAD	The update handler did not install the update because it needs to be downloaded again.
0x8024200E	WU_E_UH_NOTIFYFAILURE	The update handler failed to send notification of the status of the install (uninstall) operation.
0x8024200F	WU_E_UH_INCONSISTENT_FILE_NAMES	The file names contained in the update metadata and in the update package are inconsistent.
0x80242010	WU_E_UH_FALLBACKERROR	The update handler failed to fall back to the self-contained content.
0x80242011	WU_E_UH_TOOMANYDOWNLOADREQUESTS	The update handler has exceeded the maximum number of download requests.
0x80242012	WU_E_UH_UNEXPECTEDCBSRESPONSE	The update handler has received an unexpected response from CBS.
0x80242013	WU_E_UH_BADCBSPACKAGEID	The update metadata contains an invalid CBS package identifier.
0x80242014	WU_E_UH_POSTREBOOTSTILLPENDING	he post-reboot operation for the update is still in progress.
0x80242015	WU_E_UH_POSTREBOOTRESULTUNKNOWN	The result of the post-reboot operation for the update could not be determined.
0x80242016	WU_E_UH_POSTREBOOTUNEXPECTEDSTATE	The state of the update after its post-reboot operation has completed is unexpected.
0x80242017	WU_E_UH_NEW_SERVICING_STACK_REQUIRED	The operating system servicing stack must be updated before this update is downloaded or installed.
0x80242FFF	WU_E_UH_UNEXPECTED	An update handler error not covered by another WU_E_UH_* code.
0x80243001	WU_E_INSTALLATION_RESULTS_UNKNOWN_VERSION	The results of download and installation could not be read from the registry due to an unrecognized data format version.
0x80243002	WU_E_INSTALLATION_RESULTS_INVALID_DATA	The results of download and installation could not be read from the registry due to an invalid data format.
0x80243003	WU_E_INSTALLATION_RESULTS_NOT_FOUND	The results of download and installation are not available; the operation may have failed to start.
0x80243004	WU_E_TRAYICON_FAILURE	A failure occurred when trying to create an icon in the taskbar notification area.
0x80243FFD	WU_E_NON_UI_MODE	Unable to show UI when in non-UI mode; WU client UI modules may not be installed.
0x80243FFE	WU_E_WUCLTUI_UNSUPPORTED_VERSION	Unsupported version of WU client UI exported functions.
0x80243FFF	WU_E_AUCLIENT_UNEXPECTED	There was a user interface error not covered by another WU_E_AUCLIENT_* error code.
0x80244000	WU_E_PT_SOAPCLIENT_BASE	WU_E_PT_SOAPCLIENT_* error codes map to the SOAPCLIENT_ERROR enum of the ATL Server Library.
0x80244001	WU_E_PT_SOAPCLIENT_INITIALIZE	SOAPCLIENT_INITIALIZE_ERROR - initialization of the SOAP client failed, possibly because of an MSXML installation failure.
0x80244002	WU_E_PT_SOAPCLIENT_OUTOFMEMORY	SOAPCLIENT_OUTOFMEMORY - SOAP client failed because it ran out of memory.
0x80244003	WU_E_PT_SOAPCLIENT_GENERATE	SOAPCLIENT_GENERATE_ERROR - SOAP client failed to generate the request.
0x80244004	WU_E_PT_SOAPCLIENT_CONNECT	SOAPCLIENT_CONNECT_ERROR - SOAP client failed to connect to the server.
0x80244005	WU_E_PT_SOAPCLIENT_SEND	SOAPCLIENT_SEND_ERROR - SOAP client failed to send a message for reasons of WU_E_WINHTTP_* error codes.
0x80244006	WU_E_PT_SOAPCLIENT_SERVER	SOAPCLIENT_SERVER_ERROR - SOAP client failed because there was a server error.
0x80244007	WU_E_PT_SOAPCLIENT_SOAPFAULT	SOAPCLIENT_SOAPFAULT - SOAP client failed because there was a SOAP fault for reasons of WU_E_PT_SOAP_* error codes.
0x80244008	WU_E_PT_SOAPCLIENT_PARSEFAULT	SOAPCLIENT_PARSEFAULT_ERROR - SOAP client failed to parse a SOAP fault.
0x80244009	WU_E_PT_SOAPCLIENT_READ	SOAPCLIENT_READ_ERROR - SOAP client failed while reading the response from the server.
0x8024400A	WU_E_PT_SOAPCLIENT_PARSE	SOAPCLIENT_PARSE_ERROR - SOAP client failed to parse the response from the server.
0x8024400B	WU_E_PT_SOAP_VERSION	SOAP_E_VERSION_MISMATCH - SOAP client found an unrecognizable namespace for the SOAP envelope.
0x8024400C	WU_E_PT_SOAP_MUST_UNDERSTAND	SOAP_E_MUST_UNDERSTAND - SOAP client was unable to understand a header.
0x8024400D	WU_E_PT_SOAP_CLIENT	SOAP_E_CLIENT - SOAP client found the message was malformed; fix before resending.
0x8024400E	WU_E_PT_SOAP_SERVER	SOAP_E_SERVER - The SOAP message could not be processed due to a server error; resend later.
0x8024400F	WU_E_PT_WMI_ERROR	There was an unspecified Windows Management Instrumentation (WMI) error.
0x80244010	WU_E_PT_EXCEEDED_MAX_SERVER_TRIPS	The number of round trips to the server exceeded the maximum limit.
0x80244011	WU_E_PT_SUS_SERVER_NOT_SET	WUServer policy value is missing in the registry.
0x80244012	WU_E_PT_DOUBLE_INITIALIZATION	Initialization failed because the object was already initialized.
0x80244013	WU_E_PT_INVALID_COMPUTER_NAME	The computer name could not be determined.
0x80244015	WU_E_PT_REFRESH_CACHE_REQUIRED	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.
0x80244016	WU_E_PT_HTTP_STATUS_BAD_REQUEST	HTTP 400 - the server could not process the request due to invalid syntax.
0x80244017	WU_E_PT_HTTP_STATUS_DENIED	HTTP 401 - the requested resource requires user authentication.
0x80244018	WU_E_PT_HTTP_STATUS_FORBIDDEN	HTTP 403 - server understood the request, but declined to fulfill it.
0x80244019	WU_E_PT_HTTP_STATUS_NOT_FOUND	HTTP 404 - the server cannot find the requested URI (Uniform Resource Identifier).
0x8024401A	WU_E_PT_HTTP_STATUS_BAD_METHOD	HTTP 405 - the HTTP method is not allowed.
0x8024401B	WU_E_PT_HTTP_STATUS_PROXY_AUTH_REQ	HTTP 407 - proxy authentication is required.
0x8024401C	WU_E_PT_HTTP_STATUS_REQUEST_TIMEOUT	HTTP 408 - the server timed out waiting for the request.
0x8024401D	WU_E_PT_HTTP_STATUS_CONFLICT	HTTP 409 - the request was not completed due to a conflict with the current state of the resource.
0x8024401E	WU_E_PT_HTTP_STATUS_GONE	HTTP 410 - requested resource is no longer available at the server.
0x8024401F	WU_E_PT_HTTP_STATUS_SERVER_ERROR	HTTP 500 - an error internal to the server prevented fulfilling the request.
0x80244020	WU_E_PT_HTTP_STATUS_NOT_SUPPORTED	HTTP 501 - server does not support the functionality required to fulfill the request.
0x80244021	WU_E_PT_HTTP_STATUS_BAD_GATEWAY	HTTP 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.
0x80244022	WU_E_PT_HTTP_STATUS_SERVICE_UNAVAIL	HTTP 503 - the service is temporarily overloaded.
0x80244023	WU_E_PT_HTTP_STATUS_GATEWAY_TIMEOUT	HTTP 504 - the request was timed out waiting for a gateway.
0x80244024	WU_E_PT_HTTP_STATUS_VERSION_NOT_SUP	HTTP 505 - the server does not support the HTTP protocol version used for the request.
0x80244025	WU_E_PT_FILE_LOCATIONS_CHANGED	Operation failed due to a changed file location; refresh internal state and resend.
0x80244026	WU_E_PT_REGISTRATION_NOT_SUPPORTED	Operation failed because Windows Update Agent does not support registration with a non-WSUS server.
0x80244027	WU_E_PT_NO_AUTH_PLUGINS_REQUESTED	The server returned an empty authentication information list.
0x80244028	WU_E_PT_NO_AUTH_COOKIES_CREATED	Windows Update Agent was unable to create any valid authentication cookies.
0x80244029	WU_E_PT_INVALID_CONFIG_PROP	A configuration property value was wrong.
0x8024402A	WU_E_PT_CONFIG_PROP_MISSING	A configuration property value was missing.
0x8024402B	WU_E_PT_HTTP_STATUS_NOT_MAPPED	The HTTP request could not be completed and the reason did not correspond to any of the WU_E_PT_HTTP_* error codes.
0x8024402C	WU_E_PT_WINHTTP_NAME_NOT_RESOLVED	ERROR_WINHTTP_NAME_NOT_RESOLVED - the proxy server or target server name cannot be resolved.
0x8024402F	WU_E_PT_ECP_SUCCEEDED_WITH_ERRORS	External cab file processing completed with some errors.
0x80244030	WU_E_PT_ECP_INIT_FAILED	The external cab processor initialization did not complete.
0x80244031	WU_E_PT_ECP_INVALID_FILE_FORMAT	The format of a metadata file was invalid.
0x80244032	WU_E_PT_ECP_INVALID_METADATA	External cab processor found invalid metadata.
0x80244033	WU_E_PT_ECP_FAILURE_TO_EXTRACT_DIGEST	The file digest could not be extracted from an external cab file.
0x80244034	WU_E_PT_ECP_FAILURE_TO_DECOMPRESS_CAB_FILE	An external cab file could not be decompressed.
0x80244035	WU_E_PT_ECP_FILE_LOCATION_ERROR	External cab processor was unable to get file locations.
0x80244FFF	WU_E_PT_UNEXPECTED	A communication error not covered by another WU_E_PT_* error code
0x80245001	WU_E_REDIRECTOR_LOAD_XML	The redirector XML document could not be loaded into the DOM class.
0x80245002	WU_E_REDIRECTOR_S_FALSE	The redirector XML document is missing some required information.
0x80245003	WU_E_REDIRECTOR_ID_SMALLER	The redirector ID in the downloaded redirector cab is less than in the cached cab.
0x8024502D	WU_E_PT_SAME_REDIR_ID	Windows Update Agent failed to download a redirector cabinet file with a new redirector ID value from the server during the recovery.
0x8024502E	WU_E_PT_NO_MANAGED_RECOVER	A redirector recovery action did not complete because the server is managed.
0x80245FFF	WU_E_REDIRECTOR_UNEXPECTED	The redirector failed for reasons not covered by another WU_E_REDIRECTOR_* error code.
0x80246001	WU_E_DM_URLNOTAVAILABLE	A download manager operation could not be completed because the requested file does not have a URL.
0x80246002	WU_E_DM_INCORRECTFILEHASH	A download manager operation could not be completed because the file digest was not recognized.
0x80246003	WU_E_DM_UNKNOWNALGORITHM	A download manager operation could not be completed because the file metadata requested an unrecognized hash algorithm.
0x80246004	WU_E_DM_NEEDDOWNLOADREQUEST	An operation could not be completed because a download request is required from the download handler.
0x80246005	WU_E_DM_NONETWORK	A download manager operation could not be completed because the network connection was unavailable.
0x80246006	WU_E_DM_WRONGBITSVERSION	A download manager operation could not be completed because the version of Background Intelligent Transfer Service (BITS) is incompatible.
0x80246007	WU_E_DM_NOTDOWNLOADED	The update has not been downloaded.
0x80246008	WU_E_DM_FAILTOCONNECTTOBITS	A download manager operation failed because the download manager was unable to connect the Background Intelligent Transfer Service (BITS).
0x80246009	WU_E_DM_BITSTRANSFERERROR	A download manager operation failed because there was an unspecified Background Intelligent Transfer Service (BITS) transfer error.
0x8024600a	WU_E_DM_DOWNLOADLOCATIONCHANGED	A download must be restarted because the location of the source of the download has changed.
0x8024600B	WU_E_DM_CONTENTCHANGED	A download must be restarted because the update content changed in a new revision.
0x80246FFF	WU_E_DM_UNEXPECTED	There was a download manager error not covered by another WU_E_DM_* error code.
0x80247001	WU_E_OL_INVALID_SCANFILE	An operation could not be completed because the scan package was invalid.
0x80247002	WU_E_OL_NEWCLIENT_REQUIRED	An operation could not be completed because the scan package requires a greater version of the Windows Update Agent.
0x80247FFF	WU_E_OL_UNEXPECTED	Search using the scan package failed.
0x80248000	WU_E_DS_SHUTDOWN	An operation failed because Windows Update Agent is shutting down.
0x80248001	WU_E_DS_INUSE	An operation failed because the data store was in use.
0x80248002	WU_E_DS_INVALID	The current and expected states of the data store do not match.
0x80248003	WU_E_DS_TABLEMISSING	The data store is missing a table.
0x80248004	WU_E_DS_TABLEINCORRECT	The data store contains a table with unexpected columns.
0x80248005	WU_E_DS_INVALIDTABLENAME	A table could not be opened because the table is not in the data store.
0x80248006	WU_E_DS_BADVERSION	The current and expected versions of the data store do not match.
0x80248007	WU_E_DS_NODATA	The information requested is not in the data store.
0x80248008	WU_E_DS_MISSINGDATA	The data store is missing required information or has a NULL in a table column that requires a non-null value.
0x80248009	WU_E_DS_MISSINGREF	The data store is missing required information or has a reference to missing license terms, file, localized property or linked row.
0x8024800A	WU_E_DS_UNKNOWNHANDLER	The update was not processed because its update handler could not be recognized.
0x8024800B	WU_E_DS_CANTDELETE	The update was not deleted because it is still referenced by one or more services.
0x8024800C	WU_E_DS_LOCKTIMEOUTEXPIRED	The data store section could not be locked within the allotted time.
0x8024800D	WU_E_DS_NOCATEGORIES	The category was not added because it contains no parent categories and is not a top-level category itself.
0x8024800E	WU_E_DS_ROWEXISTS	The row was not added because an existing row has the same primary key.
0x8024800F	WU_E_DS_STOREFILELOCKED	The data store could not be initialized because it was locked by another process.
0x80248010	WU_E_DS_CANNOTREGISTER	The data store is not allowed to be registered with COM in the current process.
0x80248011	WU_E_DS_UNABLETOSTART	Could not create a data store object in another process.
0x80248013	WU_E_DS_DUPLICATEUPDATEID	The server sent the same update to the client with two different revision IDs.
0x80248014	WU_E_DS_UNKNOWNSERVICE	An operation did not complete because the service is not in the data store.
0x80248015	WU_E_DS_SERVICEEXPIRED	An operation did not complete because the registration of the service has expired.
0x80248016	WU_E_DS_DECLINENOTALLOWED	A request to hide an update was declined because it is a mandatory update or because it was deployed with a deadline.
0x80248017	WU_E_DS_TABLESESSIONMISMATCH	A table was not closed because it is not associated with the session.
0x80248018	WU_E_DS_SESSIONLOCKMISMATCH	A table was not closed because it is not associated with the session.
0x80248019	WU_E_DS_NEEDWINDOWSSERVICE	A request to remove the Windows Update service or to unregister it with Automatic Updates was declined because it is a built-in service and/or Automatic Updates cannot fall back to another service.
0x8024801A	WU_E_DS_INVALIDOPERATION	A request was declined because the operation is not allowed.
0x8024801B	WU_E_DS_SCHEMAMISMATCH	The schema of the current data store and the schema of a table in a backup XML document do not match.
0x8024801C	WU_E_DS_RESETREQUIRED	The data store requires a session reset; release the session and retry with a new session.
0x8024801D	WU_E_DS_IMPERSONATED	A data store operation did not complete because it was requested with an impersonated identity.
0x80248FFF	WU_E_DS_UNEXPECTED	A data store error not covered by another WU_E_DS_* code.
0x80249001	WU_E_INVENTORY_PARSEFAILED	Parsing of the rule file failed.
0x80249002	WU_E_INVENTORY_GET_INVENTORY_TYPE_FAILED	Failed to get the requested inventory type from the server.
0x80249003	WU_E_INVENTORY_RESULT_UPLOAD_FAILED	Failed to upload inventory result to the server.
0x80249004	WU_E_INVENTORY_UNEXPECTED	There was an inventory error not covered by another error code.
0x80249005	WU_E_INVENTORY_WMI_ERROR	A WMI error occurred when enumerating the instances for a particular class.
0x8024A000	WU_E_AU_NOSERVICE	Automatic Updates was unable to service incoming requests.
0x8024A002	WU_E_AU_NONLEGACYSERVER	The old version of the Automatic Updates client has stopped because the WSUS server has been upgraded.
0x8024A003	WU_E_AU_LEGACYCLIENTDISABLED	The old version of the Automatic Updates client was disabled.
0x8024A004	WU_E_AU_PAUSED	Automatic Updates was unable to process incoming requests because it was paused.
0x8024A005	WU_E_AU_NO_REGISTERED_SERVICE	No unmanaged service is registered with AU.
0x8024AFFF	WU_E_AU_UNEXPECTED	An Automatic Updates error not covered by another WU_E_AU * code.
0x8024C001	WU_E_DRV_PRUNED	A driver was skipped.
0x8024C002	WU_E_DRV_NOPROP_OR_LEGACY	A property for the driver could not be found. It may not conform with required specifications.
0x8024C003	WU_E_DRV_REG_MISMATCH	The registry type read for the driver does not match the expected type.
0x8024C004	WU_E_DRV_NO_METADATA	The driver update is missing metadata.
0x8024C005	WU_E_DRV_MISSING_ATTRIBUTE	The driver update is missing a required attribute.
0x8024C006	WU_E_DRV_SYNC_FAILED	Driver synchronization failed.
0x8024C007	WU_E_DRV_NO_PRINTER_CONTENT	Information required for the synchronization of applicable printers is missing.
0x8024CFFF	WU_E_DRV_UNEXPECTED	A driver error not covered by another WU_E_DRV_* code.
0x8024D001	WU_E_SETUP_INVALID_INFDATA	Windows Update Agent could not be updated because an INF file contains invalid information.
0x8024D002	WU_E_SETUP_INVALID_IDENTDATA	Windows Update Agent could not be updated because the wuident.cab file contains invalid information.
0x8024D003	WU_E_SETUP_ALREADY_INITIALIZED	Windows Update Agent could not be updated because of an internal error that caused setup initialization to be performed twice.
0x8024D004	WU_E_SETUP_NOT_INITIALIZED	Windows Update Agent could not be updated because setup initialization never completed successfully.
0x8024D005	WU_E_SETUP_SOURCE_VERSION_MISMATCH	Windows Update Agent could not be updated because the versions specified in the INF do not match the actual source file versions.
0x8024D006	WU_E_SETUP_TARGET_VERSION_GREATER	Windows Update Agent could not be updated because a WUA file on the target system is newer than the corresponding source file.
0x8024D007	WU_E_SETUP_REGISTRATION_FAILED	Windows Update Agent could not be updated because regsvr32.exe returned an error.
0x8024D008	WU_E_SELFUPDATE_SKIP_ON_FAILURE	An update to the Windows Update Agent was skipped because previous attempts to update have failed.
0x8024D009	WU_E_SETUP_SKIP_UPDATE	An update to the Windows Update Agent was skipped due to a directive in the wuident.cab file.
0x8024D00A	WU_E_SETUP_UNSUPPORTED_CONFIGURATION	Windows Update Agent could not be updated because the current system configuration is not supported.
0x8024D00B	WU_E_SETUP_BLOCKED_CONFIGURATION	Windows Update Agent could not be updated because the system is configured to block the update.
0x8024D00C	WU_E_SETUP_REBOOT_TO_FIX	Windows Update Agent could not be updated because a restart of the system is required.
0x8024D00D	WU_E_SETUP_ALREADYRUNNING	Windows Update Agent setup is already running.
0x8024D00E	WU_E_SETUP_REBOOTREQUIRED	Windows Update Agent setup package requires a reboot to complete installation.
0x8024D00F	WU_E_SETUP_HANDLER_EXEC_FAILURE	Windows Update Agent could not be updated because the setup handler failed during execution.
0x8024D010	WU_E_SETUP_INVALID_REGISTRY_DATA	Windows Update Agent could not be updated because the registry contains invalid information.
0x8024D011	WU_E_SELFUPDATE_REQUIRED	Windows Update Agent must be updated before search can continue.
0x8024D012	WU_E_SELFUPDATE_REQUIRED_ADMIN	Windows Update Agent must be updated before search can continue. An administrator is required to perform the operation.
0x8024D013	WU_E_SETUP_WRONG_SERVER_VERSION	Windows Update Agent could not be updated because the server does not contain update information for this version.
0x8024DFFF	WU_E_SETUP_UNEXPECTED	Windows Update Agent could not be updated because of an error not covered by another WU_E_SETUP_* error code.
0x8024E001	WU_E_EE_UNKNOWN_EXPRESSION	An expression evaluator operation could not be completed because an expression was unrecognized.
0x8024E002	WU_E_EE_INVALID_EXPRESSION	An expression evaluator operation could not be completed because an expression was invalid.
0x8024E003	WU_E_EE_MISSING_METADATA	An expression evaluator operation could not be completed because an expression contains an incorrect number of metadata nodes.
0x8024E004	WU_E_EE_INVALID_VERSION	An expression evaluator operation could not be completed because the version of the serialized expression data is invalid.
0x8024E005	WU_E_EE_NOT_INITIALIZED	The expression evaluator could not be initialized.
0x8024E006	WU_E_EE_INVALID_ATTRIBUTEDATA	An expression evaluator operation could not be completed because there was an invalid attribute.
0x8024E007	WU_E_EE_CLUSTER_ERROR	An expression evaluator operation could not be completed because the cluster state of the computer could not be determined.
0x8024EFFF	WU_E_EE_UNEXPECTED	There was an expression evaluator error not covered by another WU_E_EE_* error code.
0x8024F001	WU_E_REPORTER_EVENTCACHECORRUPT	The event cache file was defective.
0x8024F002	WU_E_REPORTER_ EVENTNAMESPACEPARSEFAILED	The XML in the event namespace descriptor could not be parsed.
0x8024F003	WU_E_INVALID_EVENT	The XML in the event namespace descriptor could not be parsed.
0x8024F004	WU_E_SERVER_BUSY	The server rejected an event because the server was too busy.
0x8024FFFF	WU_E_REPORTER_UNEXPECTED	There was a reporter error not covered by another error code.