Microsoft-Windows-OLEACC

3 events across 2 channels

Event ID 1: OLEACC_IAccessibleErrors

#
Provider
Microsoft-Windows-OLEACC
Channel
Diagnostic
Task
OLEACC_IAccessibleErrors

Fields #

NameDescription
Method UnicodeString
Hresult UInt32
Details UnicodeString
SourceHwnd UnicodeString
Provider UnicodeString

Event ID 2: OLEACC_ClientApiCallStart

#
Provider
Microsoft-Windows-OLEACC
Channel
Debug
Task
OLEACC_ClientApiCall
Opcode
Start

Fields #

NameDescription
MethodIndex UInt32
Object Pointer
Parameter Int32

Event ID 3: OLEACC_ClientApiCallStop

#
Provider
Microsoft-Windows-OLEACC
Channel
Debug
Task
OLEACC_ClientApiCall
Opcode
Stop

Fields #

NameDescription
MethodIndex UInt32
Object Pointer
Parameter Int32

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 19d2c934-ee9b-49e5-aaeb-9cce721d2c65

Defined in OLEACCRC.dll, which carries the event manifest.

Observed on:

  • WS2022-20348.4893 · schema read from the registered manifest · binary version 7.2.20348.1 · captured 2026-06-02
  • Win11-26200.6584 · schema read from the registered manifest · binary version 7.2.26100.1 · captured 2026-06-02

Downloads

Credits

  • Microsoft - authored the ETW manifests and PDBs the schema comes from
  • jdu2600 - the event-schema TSV format this catalog adopted
  • nasbench - the tool that dumps registered providers and manifests