Microsoft-Windows-MCCS-EngineShared
38 events across 1 channel
Event ID 1: Error: HRESULT: Error_HRESULT Location: Location Line Number: Line_Number.
#Event ID 2: Error Propagated: HRESULT: Error_Propagated_HRESULT Location: Location Line Number: Line_Number.
#Event ID 1001: MCCSEngineShared::Album is missing required field and will be skipped.
#Event ID 1002: MCCSEngineShared::Photo is missing required field and will be skipped.
#Event ID 1003: MCCSEngineShared::Activity Attachment is missing required field and will be skipped.
#Event ID 1004: MCCSEngineShared::Tag failed save to store HR:{Prop_Hr_UInt32}.
#Event ID 1005: MCCSEngineShared::Processed {Prop_1_UInt32} tags; persisted {Prop_2_UInt32} tags.
#Event ID 1006: MCCSEngineShared::SubscribeDevice target endpoint url has been updated to :{Prop_UnicodeString}.
#Event ID 1007: MCCSEngineShared::Failed to get Device Unique Id HR: {Prop_Hr_UInt32}.
#Event ID 1008: MCCSEngineShared::File upload: File size about to upload: {Prop_UInt32}.
#Event ID 1050: Succesfully returned the unseen count as {Prop_1_UInt32} for store {Prop_2_UInt32}-{Prop_3_UInt32}-{Prop_4_UInt32}.
#Event ID 1051: Succesfully updated the unseen count to {Prop_1_UInt32} for store {Prop_2_UInt32}-{Prop_3_UInt32}-{Prop_4_UInt32}.
#Event ID 1052: Failed to return an unseen count for store {Prop_1_UInt32}-{Prop_2_UInt32}-{Prop_3_UInt32}.
#Event ID 1053: Failed to update the unseen count to {Prop_1_UInt32} for store {Prop_2_UInt32}-{Prop_3_UInt32}-{Prop_4_UInt32}.
#Event ID 1054: Updated FeedWriter canFetchMore: {Prop_1_UInt32}; lastActivityTimeGMT: {Prop_2_FILETIME}; endActivityRemoteId: {Prop_3_UnicodeString}.
#Event ID 2000: NPXOModel::PopulateUrls SourceId: {Prop_UnicodeString} returned {Prop_Hr}.
#Event ID 2001: UIXNPXO::PopulateUrls returned {Prop_Hr_UInt32}.
#Event ID 2002: UIXNPXO::OnNavigateError dwStatusCode: {Prop_1_UInt32}; dwStatusSubCode: {Prop_2_UInt32}.
#Event ID 2003: UIXNPXO::SetfCanNavigateBack whether we can navigate back: {Prop_Boolean}.
#Event ID 2004: UIXNPXO::SetfStartWebConnectFlow whether to start WCF: {Prop_Boolean}.
#Event ID 2005: UIXNPXO::OnFinishWebConnectFlow WCF has finished with result: {Prop_Boolean}.
#Event ID 2006: NPEventSink::NavigateRedirected found the urls to match
#Description
NPEventSink::NavigateRedirected found the urls to match.
Message #
Event ID 2007: NPEventSink::BeforeNavigate Url: {Prop_UnicodeString}.
#Event ID 2008: NPEventSink::BeforeNavigateRefresh Url: {Prop_UnicodeString}.
#Event ID 2009: NPEventSink::NavigateComplete Url: {Prop_UnicodeString}.
#Event ID 2010: NPEventSink::DocumentComplete Url: {Prop_UnicodeString}.
#Event ID 2011: NPEventSink::NavigateRedirected Original Url: {Prop_1_UnicodeString} Redirected Url: {Prop_2_UnicodeString} Finish Url: {Prop_3_UnicodeString}.
#Event ID 2012: NPEventSink::NavigateError Url: {Prop_UnicodeString} StatusCode: {Prop_UInt32}.
#Event ID 2013: NPEventSink::NewWindow Url: {Prop_UnicodeString}.
#Event ID 2014: NPXOModel::Urls StartUrl: {Prop_UnicodeString}.
#Event ID 2015: NPXOModel::Urls FinishUrl: {Prop_UnicodeString}.
#Event ID 2017: NPXOUtils::Error Response: {Prop_UnicodeString}.
#Event ID 2018: NPXOUtils::Error StatusSubCode: {Prop_UInt32}.
#Event ID 2019: UIXNPXO::PopulateUrls starting on dedicated thread
#Description
UIXNPXO::PopulateUrls starting on dedicated thread.
Message #
Event ID 2020: UIXNPXO::SpawnPopulateUrlsThread returned {Prop_Hr_UInt32}.
#Event ID 3001: Mms Mime: Invalid phone number: Mms_Mime_Invalid_phone_number.
#Event ID 3002: SPERF_TAG_SHARED_MIME_LOOKUP_NAMEStart
#Event ID 3003: SPERF_TAG_SHARED_MIME_LOOKUP_NAMEStop
#Provenance
Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.
ETW provider GUID bf460fc6-45c5-4119-add3-e361a6e7d5ac
Defined in MCCSEngineShared.dll, which carries the event manifest.
Observed on:
- Win11-26200.6584, schema read from the registered manifest, captured 2026-06-02