Microsoft-Windows-Services-Svchost

6 events across 2 channels

EventTitleChannel
101ServiceMainDiagnostic
102ServiceMainDiagnostic
calling-exit-processCalling_ExitProcessETW Trace
loading-service-dllLoadingServiceDllETW Trace
pushing-globalsPushingGlobalsETW Trace
unloading-service-dllUnloadingServiceDllETW Trace

Event ID 101: ServiceMain

#
Provider
Microsoft-Windows-Services-Svchost
Channel
Diagnostic
Also via
realtime ETW trace
Level
Informational
Task
ServiceMain
Opcode
Start

Fields #

NameDescription
ServiceName UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": 101,
    "version": 0,
    "level": 4,
    "task": 1,
    "opcode": 1,
    "keywords": "0x0000000000000000",
    "time_created": "2026-06-02T04:01:27.418+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 1848,
      "thread_id": 12192
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "ServiceName": "gpsvc"
  },
  "message": "ServiceMain"
}

Event ID 102: ServiceMain

#
Provider
Microsoft-Windows-Services-Svchost
Channel
Diagnostic
Also via
realtime ETW trace
Level
Informational
Task
ServiceMain
Opcode
Stop

Fields #

NameDescription
ServiceName UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": 102,
    "version": 0,
    "level": 4,
    "task": 1,
    "opcode": 2,
    "keywords": "0x0000000000000000",
    "time_created": "2026-06-02T04:01:27.434+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 1848,
      "thread_id": 12192
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "ServiceName": "gpsvc"
  },
  "message": "ServiceMain"
}

Event ID calling-exit-process: Calling_ExitProcess

#
Provider
Microsoft-Windows-Services-Svchost
Channel
ETW Trace
Also via
realtime ETW trace
Task
Calling_ExitProcess
Source
Trace

Fields #

NameDescription
CommandLine tlg:UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": "calling-exit-process",
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": "",
    "time_created": "2026-06-02T04:01:27.335+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 9540,
      "thread_id": 2264
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "CommandLine": "C:\\WINDOWS\\system32\\svchost.exe -k GPSvcGroup"
  },
  "message": "Calling_ExitProcess"
}

Event ID loading-service-dll: LoadingServiceDll

#
Provider
Microsoft-Windows-Services-Svchost
Channel
ETW Trace
Also via
realtime ETW trace
Task
LoadingServiceDll
Source
Trace

Fields #

NameDescription
DllName tlg:UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": "loading-service-dll",
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": "",
    "time_created": "2026-06-02T04:01:27.418+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 1848,
      "thread_id": 12192
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DllName": "c:\\windows\\system32\\gpsvc.dll"
  },
  "message": "LoadingServiceDll"
}

Event ID pushing-globals: PushingGlobals

#
Provider
Microsoft-Windows-Services-Svchost
Channel
ETW Trace
Also via
realtime ETW trace
Task
PushingGlobals
Source
Trace

Fields #

NameDescription
ServiceName tlg:UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": "pushing-globals",
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": "",
    "time_created": "2026-06-02T04:01:27.418+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 1848,
      "thread_id": 12192
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "ServiceName": "GPSvc"
  },
  "message": "PushingGlobals"
}

Event ID unloading-service-dll: UnloadingServiceDll

#
Provider
Microsoft-Windows-Services-Svchost
Channel
ETW Trace
Also via
realtime ETW trace
Task
UnloadingServiceDll
Source
Trace

Fields #

NameDescription
DllName tlg:UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Services-Svchost",
    "guid": "{06184C97-5201-480E-92AF-3A3626C5B140}",
    "event_source_name": "",
    "event_id": "unloading-service-dll",
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": "",
    "time_created": "2026-06-02T04:01:27.333+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 9540,
      "thread_id": 10520
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "DllName": "c:\\windows\\system32\\gpsvc.dll"
  },
  "message": "UnloadingServiceDll"
}

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 {06184C97-5201-480E-92AF-3A3626C5B140}

Defined in services.exe, which carries the event manifest.

Observed on:

  • Win11-26200.6584 · sample captured from a live trace · binary version 10.0.26100.1 · captured 2026-06-02
  • WS2022-20348.4893 · schema read from the registered manifest · binary version 10.0.20348.1 · captured 2026-06-02
  • Win11-26200.6584 · schema read from the registered manifest · binary version 10.0.26100.1 · 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