ASP.NET Events

65 events across 1 channel

EventTitleChannel
1StartETW Trace
2EndETW Trace
3RequestQueuedETW Trace
4RequestDequeuedETW Trace
5GetAppDomainEnterETW Trace
6GetAppDomainLeaveETW Trace
7AppDomainEnterETW Trace
8StartHandlerETW Trace
9EndHandlerETW Trace
10PipelineModuleEnterETW Trace
11PipelineModuleLeaveETW Trace
12MapHandlerEnterETW Trace
13MapHandlerLeaveETW Trace
14ParseEnterETW Trace
15ParseLeaveETW Trace
16CompileEnterETW Trace
17CompileLeaveETW Trace
18HttpHandlerEnterETW Trace
19HttpHandlerLeaveETW Trace
20SessionStatePartitionStartETW Trace
21SessionStatePartitionEndETW Trace
22PagePreInitEnterETW Trace
23PagePreInitLeaveETW Trace
24PageInitEnterETW Trace
25PageInitLeaveETW Trace
26PageLoadViewstateEnterETW Trace
27PageLoadViewstateLeaveETW Trace
28PageLoadPostDataEnterETW Trace
29PageLoadPostDataLeaveETW Trace
30PageLoadEnterETW Trace
31PageLoadLeaveETW Trace
32PagePostDataChangedEnterETW Trace
33PagePostDataChangedLeaveETW Trace
34PageRaisePostbackEnterETW Trace
35PageRaisePostbackLeaveETW Trace
36PagePreRenderEnterETW Trace
37PagePreRenderLeaveETW Trace
38PageSaveViewstateEnterETW Trace
39PageSaveViewstateLeaveETW Trace
40PageRenderEnterETW Trace
41PageRenderLeaveETW Trace
42SessionDataBeginETW Trace
43SessionDataEndETW Trace
44ProfileBeginETW Trace
45ProfileEndETW Trace
46RoleManagerIsUserInRoleETW Trace
47RoleManagerGetUserRolesETW Trace
48RoleManagerBeginETW Trace
49RoleManagerEndETW Trace
50WebEventRaiseStartETW Trace
51WebEventRaiseEndETW Trace
52WebEventDeliverStartETW Trace
53WebEventDeliverEndETW Trace
59TraceContext Warning TraceETW Trace
60TraceContext Write TraceETW Trace
61Diagnostic Trace CriticalETW Trace
62Diagnostic Trace ErrorETW Trace
63Diagnostic Trace WarningETW Trace
64Diagnostic Trace InfoETW Trace
65Diagnostic Trace VerboseETW Trace
66Diagnostic Trace StartETW Trace
67Diagnostic Trace StopETW Trace
68Diagnostic Trace SuspendETW Trace
69Diagnostic Trace ResumeETW Trace
70Diagnostic Trace TransferETW Trace

Event ID 1: Start

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
Start
Source
Trace

Message #

Start

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
Method mof:String
Path mof:String
QueryString mof:String

Event ID 2: End

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
End
Source
Trace

Message #

End

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 3: RequestQueued

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RequestQueued
Source
Trace

Message #

RequestQueued

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 4: RequestDequeued

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RequestDequeued
Source
Trace

Message #

RequestDequeued

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 5: GetAppDomainEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
GetAppDomainEnter
Source
Trace

Message #

GetAppDomainEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 6: GetAppDomainLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
GetAppDomainLeave
Source
Trace

Message #

GetAppDomainLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 7: AppDomainEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
AppDomainEnter
Source
Trace

Message #

AppDomainEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
DomainId mof:String

Event ID 8: StartHandler

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
StartHandler
Source
Trace

Message #

StartHandler

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
HandlerName mof:String
EventName mof:String

Event ID 9: EndHandler

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
EndHandler
Source
Trace

Message #

EndHandler

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 10: PipelineModuleEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PipelineModuleEnter
Source
Trace

Message #

PipelineModuleEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
ModuleName mof:String

Event ID 11: PipelineModuleLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PipelineModuleLeave
Source
Trace

Message #

PipelineModuleLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
ModuleName mof:String

Event ID 12: MapHandlerEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
MapHandlerEnter
Source
Trace

Message #

MapHandlerEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 13: MapHandlerLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
MapHandlerLeave
Source
Trace

Message #

MapHandlerLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 14: ParseEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
ParseEnter
Source
Trace

Message #

ParseEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 15: ParseLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
ParseLeave
Source
Trace

Message #

ParseLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 16: CompileEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
CompileEnter
Source
Trace

Message #

CompileEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 17: CompileLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
CompileLeave
Source
Trace

Message #

CompileLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
Files mof:String
Status mof:StringNTSTATUS reference

Event ID 18: HttpHandlerEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
HttpHandlerEnter
Source
Trace

Message #

HttpHandlerEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 19: HttpHandlerLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
HttpHandlerLeave
Source
Trace

Message #

HttpHandlerLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 20: SessionStatePartitionStart

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
SessionStatePartitionStart
Source
Trace

Message #

SessionStatePartitionStart

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
ResolverType mof:String
SessionId mof:String

Event ID 21: SessionStatePartitionEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
SessionStatePartitionEnd
Source
Trace

Message #

SessionStatePartitionEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
ResolverResult mof:String

Event ID 22: PagePreInitEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePreInitEnter
Source
Trace

Message #

PagePreInitEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 23: PagePreInitLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePreInitLeave
Source
Trace

Message #

PagePreInitLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 24: PageInitEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageInitEnter
Source
Trace

Message #

PageInitEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 25: PageInitLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageInitLeave
Source
Trace

Message #

PageInitLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 26: PageLoadViewstateEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadViewstateEnter
Source
Trace

Message #

PageLoadViewstateEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 27: PageLoadViewstateLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadViewstateLeave
Source
Trace

Message #

PageLoadViewstateLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 28: PageLoadPostDataEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadPostDataEnter
Source
Trace

Message #

PageLoadPostDataEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 29: PageLoadPostDataLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadPostDataLeave
Source
Trace

Message #

PageLoadPostDataLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 30: PageLoadEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadEnter
Source
Trace

Message #

PageLoadEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 31: PageLoadLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageLoadLeave
Source
Trace

Message #

PageLoadLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 32: PagePostDataChangedEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePostDataChangedEnter
Source
Trace

Message #

PagePostDataChangedEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 33: PagePostDataChangedLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePostDataChangedLeave
Source
Trace

Message #

PagePostDataChangedLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 34: PageRaisePostbackEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageRaisePostbackEnter
Source
Trace

Message #

PageRaisePostbackEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 35: PageRaisePostbackLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageRaisePostbackLeave
Source
Trace

Message #

PageRaisePostbackLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 36: PagePreRenderEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePreRenderEnter
Source
Trace

Message #

PagePreRenderEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 37: PagePreRenderLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PagePreRenderLeave
Source
Trace

Message #

PagePreRenderLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 38: PageSaveViewstateEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageSaveViewstateEnter
Source
Trace

Message #

PageSaveViewstateEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 39: PageSaveViewstateLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageSaveViewstateLeave
Source
Trace

Message #

PageSaveViewstateLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 40: PageRenderEnter

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageRenderEnter
Source
Trace

Message #

PageRenderEnter

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 41: PageRenderLeave

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
PageRenderLeave
Source
Trace

Message #

PageRenderLeave

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 42: SessionDataBegin

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
SessionDataBegin
Source
Trace

Message #

SessionDataBegin

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 43: SessionDataEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
SessionDataEnd
Source
Trace

Message #

SessionDataEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 44: ProfileBegin

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
ProfileBegin
Source
Trace

Message #

ProfileBegin

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 45: ProfileEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
ProfileEnd
Source
Trace

Message #

ProfileEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
User mof:String

Event ID 46: RoleManagerIsUserInRole

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RoleManagerIsUserInRole
Source
Trace

Message #

RoleManagerIsUserInRole

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
provider mof:String
User mof:String
Role mof:String
Status mof:StringNTSTATUS reference

Event ID 47: RoleManagerGetUserRoles

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RoleManagerGetUserRoles
Source
Trace

Message #

RoleManagerGetUserRoles

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
provider mof:String
User mof:String
Roles mof:String

Event ID 48: RoleManagerBegin

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RoleManagerBegin
Source
Trace

Message #

RoleManagerBegin

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 49: RoleManagerEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
RoleManagerEnd
Source
Trace

Message #

RoleManagerEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
provider mof:String
User mof:String

Event ID 50: WebEventRaiseStart

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
WebEventRaiseStart
Source
Trace

Message #

WebEventRaiseStart

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
EventClassName mof:String
EventCode mof:String
EventDetailCode mof:String

Event ID 51: WebEventRaiseEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
WebEventRaiseEnd
Source
Trace

Message #

WebEventRaiseEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 52: WebEventDeliverStart

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
WebEventDeliverStart
Source
Trace

Message #

WebEventDeliverStart

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object
ProviderName mof:String
RuleName mof:String
EventGroupName mof:String

Event ID 53: WebEventDeliverEnd

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
WebEventDeliverEnd
Source
Trace

Message #

WebEventDeliverEnd

Fields #

NameDescription
ConnID mof:UInt64
ContextId mof:Object

Event ID 59: TraceContext Warning Trace

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
TraceContextWarning
Source
Trace

Message #

TraceContext Warning Trace

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWarningMsg mof:String

Event ID 60: TraceContext Write Trace

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
TraceContextWrite
Source
Trace

Message #

TraceContext Write Trace

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 61: Diagnostic Trace Critical

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceCritical
Source
Trace

Message #

Diagnostic Trace Critical

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 62: Diagnostic Trace Error

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceError
Source
Trace

Message #

Diagnostic Trace Error

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 63: Diagnostic Trace Warning

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceWarning
Source
Trace

Message #

Diagnostic Trace Warning

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 64: Diagnostic Trace Info

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceInfo
Source
Trace

Message #

Diagnostic Trace Info

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 65: Diagnostic Trace Verbose

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceVerbose
Source
Trace

Message #

Diagnostic Trace Verbose

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 66: Diagnostic Trace Start

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceStart
Source
Trace

Message #

Diagnostic Trace Start

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 67: Diagnostic Trace Stop

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceStop
Source
Trace

Message #

Diagnostic Trace Stop

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 68: Diagnostic Trace Suspend

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceSuspend
Source
Trace

Message #

Diagnostic Trace Suspend

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 69: Diagnostic Trace Resume

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceResume
Source
Trace

Message #

Diagnostic Trace Resume

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

Event ID 70: Diagnostic Trace Transfer

#
Provider
ASP.NET Events
Channel
ETW Trace
Opcode
DiagnosticTraceTransfer
Source
Trace

Message #

Diagnostic Trace Transfer

Fields #

NameDescription
ContextId mof:Object
Uri mof:String
TraceWriteMsg mof:String

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 {AFF081FE-0247-4275-9C4E-021F3DC1DA35}

Observed on:

  • WS2025-26100.0 · schema read from the WMI MOF class · captured 2026-02-26

    Taken from Windows installation media (build 26100.1), not a patched system, so the exact update level is unknown.

  • WS2022-20348.4893 · schema read from the WMI MOF class · captured 2026-06-02

    MOF class: AspNetTrace

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