Microsoft-Windows-Kernel-Registry

Event	Title	Channel	Sample	Rule
1	task_0CreateKey	Analytic	Y	N
2	task_0OpenKey	Analytic	Y	N
3	task_0DeleteKey	Analytic	Y	N
4	task_0QueryKey	Analytic	Y	N
5	task_0SetValueKey	Analytic	Y	N
6	task_0DeleteValueKey	Analytic	Y	N
7	task_0QueryValueKey	Analytic	Y	N
8	task_0EnumerateKey	Analytic	Y	N
9	task_0EnumerateValueKey	Analytic	Y	N
10	task_0QueryMultipleValueKey	Analytic	Y	N
11	task_0SetInformationKey	Analytic	Y	N
12	task_0FlushKey	Analytic	N	N
13	task_0CloseKey	Analytic	Y	N
14	task_0QuerySecurityKey	Analytic	Y	N
15	task_0SetSecurityKey	Analytic	Y	N
16	Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.Start	Performance	Y	N
17	This group of events tracks the performance of mounting hives from existing …	Performance	Y	N
18	This group of events tracks the performance of mounting hives from existing …	Performance	N	N
19	This group of events tracks the performance of mounting hives from existing …	Performance	Y	N
20	This group of events tracks the performance of unloading hives.	Performance	N	N
21	This group of events tracks the performance of unloading hives.	Performance	N	N
22	This group of events tracks the performance of flushing hives.	Performance	Y	N
23	Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushBecameAct …	Performance	N	N
24	This group of events tracks the performance of flushing hives.	Performance	N	N
25	This group of events tracks the performance of flushing hives.	Performance	N	N
26	This group of events tracks the performance of flushing hives.	Performance	Y	N
27	This group of events tracks the performance of flushing hives.	Performance	Y	N
28	Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushBoostedAc …	Performance	N	N
29	Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushStartWait …	Performance	N	N
30	Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushFinishWai …	Performance	N	N
31	This group of events tracks the performance of flushing hives.	Performance	Y	N
32	Thisgroupofeventstrackstheperformanceofregistryshutdown.Start	Performance	N	N
33	Thisgroupofeventstrackstheperformanceofregistryshutdown.Start33	Performance	N	N
34	Thisgroupofeventstrackstheperformanceofregistryshutdown.RegPerfOpShutdownFlushSt …	Performance	N	N
35	Thisgroupofeventstrackstheperformanceofregistryshutdown.RegPerfOpShutdownFlushSt …	Performance	N	N
36	Thisgroupofeventstrackstheperformanceofregistryshutdown.Stop	Performance	N	N
37	This group of events tracks the performance of loading hives.	Performance	Y	N
38	This group of events tracks the performance of loading hives.	Performance	Y	N
39	This group of events tracks the performance of restoring hives.	Performance	N	N
40	This group of events tracks the performance of restoring hives.	Performance	N	N
41	This group of events tracks the performance of exporting hives.	Performance	N	N
42	Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveFileCopied	Performance	N	N
43	Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveTreeCopied	Performance	N	N
44	Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveFileWritten	Performance	N	N
45	This group of events tracks the performance of exporting hives.	Performance	N	N

Event ID 1: task_0CreateKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: CreateKey

Fields #

Name	Description
`BaseObject` Pointer
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`Disposition` UInt32
`BaseName` UnicodeString
`RelativeName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "1",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "32",
    "keywords": 9223372036854779904,
    "time_created": "2026-03-16T00:21:35.785504900+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "9144",
      "thread_id": "1104"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "BaseObject": "0xFFFF810C5DD6DD50",
    "KeyObject": "0xFFFF810C5DD72260",
    "Status": "0x0",
    "Disposition": "       2",
    "BaseName": "",
    "RelativeName": "Software\\Microsoft\\WBEM\\CIMOM"
  },
  "message": ""
}

Event ID 2: task_0OpenKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: OpenKey

Fields #

Name	Description
`BaseObject` Pointer
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`Disposition` UInt32
`BaseName` UnicodeString
`RelativeName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "2",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "33",
    "keywords": 9223372036854784000,
    "time_created": "2026-03-16T00:21:35.507079800+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "1032",
      "thread_id": "12928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "BaseObject": "0xFFFF810C2A657DB0",
    "KeyObject": "0xFFFF810C5DD71F30",
    "Status": "0x0",
    "Disposition": "       0",
    "BaseName": "",
    "RelativeName": "\\Registry\\Machine\\Software\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize"
  },
  "message": ""
}

Event ID 3: task_0DeleteKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: DeleteKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "3",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "34",
    "keywords": 9223372036854792192,
    "time_created": "2026-03-16T00:21:57.097838200+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "9060",
      "thread_id": "12368"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C4E440E30",
    "Status": "0x0",
    "KeyName": ""
  },
  "message": ""
}

Event ID 4: task_0QueryKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: QueryKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`InfoClass` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "4",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "35",
    "keywords": 9223372036854808576,
    "time_created": "2026-03-16T00:21:35.516631000+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "9772",
      "thread_id": "4452"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C31D05F00",
    "Status": "0x0",
    "InfoClass": "       7",
    "DataSize": "       4",
    "KeyName": "",
    "CapturedDataSize": "0",
    "CapturedData": ""
  },
  "message": ""
}

Event ID 5: task_0SetValueKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: SetValueKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`Type` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`ValueName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary
`PreviousDataType` UInt32
`PreviousDataSize` UInt32
`PreviousDataCapturedSize` UInt16
`PreviousData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "5",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "36",
    "keywords": 9223372036854776064,
    "time_created": "2026-03-16T00:21:40.590478500+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "3688",
      "thread_id": "7552"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD4DC20",
    "Status": "0x0",
    "Type": "      11",
    "DataSize": "       8",
    "KeyName": "",
    "ValueName": "LastSuccessfulUploadTime",
    "CapturedDataSize": "0",
    "CapturedData": "",
    "PreviousDataType": "       0",
    "PreviousDataSize": "       0",
    "PreviousDataCapturedSize": "0",
    "PreviousData": ""
  },
  "message": ""
}

Event ID 6: task_0DeleteValueKey

Channel: Analytic
Also via: realtime ETW trace
Level: Critical
Opcode: DeleteValueKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString
`ValueName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "6",
    "version": "0",
    "level": "1",
    "task": "0",
    "opcode": "37",
    "keywords": 9223372036854776320,
    "time_created": "2026-03-16T00:22:34.277328900+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "3668",
      "thread_id": "7712"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C42CA9410",
    "Status": "0xC0000034",
    "KeyName": "",
    "ValueName": "97eb03fb6ad64051d2fd3a6dc2ad7390"
  },
  "message": ""
}

Event ID 7: task_0QueryValueKey

Channel: Analytic
Also via: realtime ETW trace
Level: Critical
Opcode: QueryValueKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`InfoClass` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`ValueName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "7",
    "version": "0",
    "level": "1",
    "task": "0",
    "opcode": "38",
    "keywords": 9223372036854776832,
    "time_created": "2026-03-16T00:21:35.507114200+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "1032",
      "thread_id": "12928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD71F30",
    "Status": "0xC0000034",
    "InfoClass": "       2",
    "DataSize": "       2",
    "KeyName": "",
    "ValueName": "DisableMetaFiles",
    "CapturedDataSize": "0",
    "CapturedData": ""
  },
  "message": ""
}

Event ID 8: task_0EnumerateKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: EnumerateKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`Index` UInt32
`InfoClass` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "8",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "39",
    "keywords": 9223372036854777856,
    "time_created": "2026-03-16T00:21:35.816738500+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "9144",
      "thread_id": "1104"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C33B2F6C0",
    "Status": "0x0",
    "Index": "       0",
    "InfoClass": "       0",
    "DataSize": "      92",
    "KeyName": "",
    "CapturedDataSize": "0",
    "CapturedData": ""
  },
  "message": ""
}

Event ID 9: task_0EnumerateValueKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: EnumerateValueKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`Index` UInt32
`InfoClass` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "9",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "40",
    "keywords": 9223372036854775824,
    "time_created": "2026-03-16T00:21:35.527894500+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "10736",
      "thread_id": "11352"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD54550",
    "Status": "0x0",
    "Index": "       0",
    "InfoClass": "       2",
    "DataSize": "      36",
    "KeyName": "",
    "CapturedDataSize": "0",
    "CapturedData": ""
  },
  "message": ""
}

Event ID 10: task_0QueryMultipleValueKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: QueryMultipleValueKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`EntryCount` UInt32
`DataSize` UInt32
`KeyName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "10",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "41",
    "keywords": 9223372036854775840,
    "time_created": "2026-03-16T00:21:35.626480500+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "5012",
      "thread_id": "3304"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD6DA20",
    "Status": "0x0",
    "EntryCount": "      30",
    "DataSize": "     264",
    "KeyName": ""
  },
  "message": ""
}

Event ID 11: task_0SetInformationKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: SetInformationKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`InfoClass` UInt32
`DataSize` UInt32
`KeyName` UnicodeString
`CapturedDataSize` UInt16
`CapturedData` Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "11",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "42",
    "keywords": 9223372036854775872,
    "time_created": "2026-03-16T00:21:35.634196200+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "5012",
      "thread_id": "3304"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD6E080",
    "Status": "0x0",
    "InfoClass": "       5",
    "DataSize": "       4",
    "KeyName": "",
    "CapturedDataSize": "0",
    "CapturedData": ""
  },
  "message": ""
}

Event ID 12: task_0FlushKey

Channel: Analytic
Opcode: FlushKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString

Event ID 13: task_0CloseKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: CloseKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "13",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "44",
    "keywords": 9223372036854775809,
    "time_created": "2026-03-16T00:21:35.505174000+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "1032",
      "thread_id": "12928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C35F58620",
    "Status": "0x0",
    "KeyName": ""
  },
  "message": ""
}

Event ID 14: task_0QuerySecurityKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: QuerySecurityKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "14",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "45",
    "keywords": 9223372036854775810,
    "time_created": "2026-03-16T00:21:57.923947000+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "9060",
      "thread_id": "12368"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD62140",
    "Status": "0x0",
    "KeyName": ""
  },
  "message": ""
}

Event ID 15: task_0SetSecurityKey

Channel: Analytic
Also via: realtime ETW trace
Level: Error
Opcode: SetSecurityKey

Fields #

Name	Description
`KeyObject` Pointer
`Status` UInt32	NTSTATUS reference
`KeyName` UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "15",
    "version": "0",
    "level": "2",
    "task": "0",
    "opcode": "46",
    "keywords": 9223372036854775812,
    "time_created": "2026-03-16T00:24:09.957774700+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "6472",
      "thread_id": "10124"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Analytic",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "KeyObject": "0xFFFF810C5DD61260",
    "Status": "0x0",
    "KeyName": ""
  },
  "message": ""
}

Event ID 16: Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.Start

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.
Opcode: Start

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "16",
    "version": "0",
    "level": "4",
    "task": "1",
    "opcode": "1",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:23:58.966769000+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "4",
      "thread_id": "7308"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {},
  "message": ""
}

Event ID 17: This group of events tracks the performance of mounting hives from existing files.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.
Opcode: RegPerfOpHiveMountBaseFileMounted

Fields #

Name	Description
`HiveFilePath` UnicodeString
`FileSize` UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "17",
    "version": "0",
    "level": "4",
    "task": "1",
    "opcode": "10",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:23:59.073398500+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "4",
      "thread_id": "7308"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "HiveFilePath": "\\Device\\HarddiskVolume4\\Windows\\System32\\config\\DRIVERS",
    "FileSize": " 4648960"
  },
  "message": ""
}

Event ID 18: This group of events tracks the performance of mounting hives from existing files.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.
Opcode: RegPerfOpHiveMountLogEntryApplied

Fields #

Name	Description
`TotalEntrySize` UInt32
`BytesRecovered` UInt32

Event ID 19: This group of events tracks the performance of mounting hives from existing files.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofmountinghivesfromexistingfiles.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "19",
    "version": "0",
    "level": "4",
    "task": "1",
    "opcode": "2",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:23:59.074329800+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "4",
      "thread_id": "7308"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "StatusCode": "0x0"
  },
  "message": ""
}

Event ID 20: This group of events tracks the performance of unloading hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofunloadinghives.
Opcode: Start

Fields #

Name	Description
`HiveFilePath` UnicodeString
`HiveMountPoint` UnicodeString

Event ID 21: This group of events tracks the performance of unloading hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofunloadinghives.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Event ID 22: This group of events tracks the performance of flushing hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: Start

Fields #

Name	Description
`HiveFilePath` UnicodeString
`HiveMountPoint` UnicodeString
`FlushFlags` HexInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "22",
    "version": "0",
    "level": "4",
    "task": "3",
    "opcode": "1",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:21:56.773417700+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "240",
      "thread_id": "928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "HiveFilePath": "\\SystemRoot\\System32\\Config\\SOFTWARE",
    "HiveMountPoint": "\\REGISTRY\\MACHINE\\SOFTWARE",
    "FlushFlags": "0x12"
  },
  "message": ""
}

Event ID 23: Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushBecameActiveFlusher

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushBecameActiveFlusher

Event ID 24: This group of events tracks the performance of flushing hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushGatheredLogData

Fields #

Name	Description
`BytesGathered` UInt32

Event ID 25: This group of events tracks the performance of flushing hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushGatheredPrimaryData

Fields #

Name	Description
`BytesGathered` UInt32

Event ID 26: This group of events tracks the performance of flushing hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushWroteLogFile

Fields #

Name	Description
`WritesIssued` UInt32
`BytesWritten` UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "26",
    "version": "0",
    "level": "4",
    "task": "3",
    "opcode": "13",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:21:56.779540300+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "240",
      "thread_id": "928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "WritesIssued": "       1",
    "BytesWritten": "   98304"
  },
  "message": ""
}

Event ID 27: This group of events tracks the performance of flushing hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushWrotePrimaryFile

Fields #

Name	Description
`WritesIssued` UInt32
`BytesWritten` UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "27",
    "version": "0",
    "level": "4",
    "task": "3",
    "opcode": "14",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:24:00.216602900+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "240",
      "thread_id": "932"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "WritesIssued": "     880",
    "BytesWritten": "  450560"
  },
  "message": ""
}

Event ID 28: Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushBoostedActiveFlusher

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushBoostedActiveFlusher

Event ID 29: Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushStartWaitForActive

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushStartWaitForActive

Event ID 30: Thisgroupofeventstrackstheperformanceofflushinghives.RegPerfOpHiveFlushFinishWaitForActive

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: RegPerfOpHiveFlushFinishWaitForActive

Event ID 31: This group of events tracks the performance of flushing hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofflushinghives.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "31",
    "version": "0",
    "level": "4",
    "task": "3",
    "opcode": "2",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:21:56.779593400+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "240",
      "thread_id": "928"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "StatusCode": "0x0"
  },
  "message": ""
}

Event ID 32: Thisgroupofeventstrackstheperformanceofregistryshutdown.Start

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofregistryshutdown.
Opcode: Start

Event ID 33: Thisgroupofeventstrackstheperformanceofregistryshutdown.Start33

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofregistryshutdown.
Opcode: Start

Event ID 34: Thisgroupofeventstrackstheperformanceofregistryshutdown.RegPerfOpShutdownFlushStart

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofregistryshutdown.
Opcode: RegPerfOpShutdownFlushStart

Event ID 35: Thisgroupofeventstrackstheperformanceofregistryshutdown.RegPerfOpShutdownFlushStop

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofregistryshutdown.
Opcode: RegPerfOpShutdownFlushStop

Event ID 36: Thisgroupofeventstrackstheperformanceofregistryshutdown.Stop

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofregistryshutdown.
Opcode: Stop

Event ID 37: This group of events tracks the performance of loading hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofloadinghives.
Opcode: Start

Fields #

Name	Description
`SourceFile` UnicodeString
`Flags` HexInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "37",
    "version": "0",
    "level": "4",
    "task": "5",
    "opcode": "1",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:23:58.962727700+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "4",
      "thread_id": "7308"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "SourceFile": "\\SystemRoot\\System32\\config\\DRIVERS",
    "Flags": "0x80"
  },
  "message": ""
}

Event ID 38: This group of events tracks the performance of loading hives.

Channel: Performance
Level: Informational
Task: Thisgroupofeventstrackstheperformanceofloadinghives.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Kernel-Registry",
    "guid": "{70eb4f03-c1de-4f73-a051-33d13d5413bd}",
    "event_source_name": "",
    "event_id": "38",
    "version": "0",
    "level": "4",
    "task": "5",
    "opcode": "2",
    "keywords": 4611686018427387904,
    "time_created": "2026-03-16T00:23:59.366363400+00:00",
    "event_record_id": 0,
    "correlation": {
      "ActivityID": "{00000000-0000-0000-0000-000000000000}"
    },
    "execution": {
      "process_id": "4",
      "thread_id": "7308"
    },
    "channel": "Microsoft-Windows-Kernel-Registry/Performance",
    "computer": "",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "StatusCode": "0x0"
  },
  "message": ""
}

Event ID 39: This group of events tracks the performance of restoring hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofrestoringhives.
Opcode: Start

Fields #

Name	Description
`SourceFile` UnicodeString
`Flags` HexInt32

Event ID 40: This group of events tracks the performance of restoring hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofrestoringhives.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Event ID 41: This group of events tracks the performance of exporting hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofexportinghives.
Opcode: Start

Fields #

Name	Description
`SourceKeyPath` UnicodeString

Event ID 42: Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveFileCopied

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofexportinghives.
Opcode: RegPerfOpSaveFileCopied

Event ID 43: Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveTreeCopied

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofexportinghives.
Opcode: RegPerfOpSaveTreeCopied

Event ID 44: Thisgroupofeventstrackstheperformanceofexportinghives.RegPerfOpSaveFileWritten

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofexportinghives.
Opcode: RegPerfOpSaveFileWritten

Event ID 45: This group of events tracks the performance of exporting hives.

Channel: Performance
Task: Thisgroupofeventstrackstheperformanceofexportinghives.
Opcode: Stop

Fields #

Name	Description
`StatusCode` HexInt32	NTSTATUS reference

Provenance

ETW provider GUID {70EB4F03-C1DE-4F73-A051-33D13D5413BD}

Defined in Microsoft-Windows-System-Events.dll, which carries the event manifest.

WS2022-20348.4893, sample captured from a live trace, binary version 10.0.20348.3932, captured 2026-06-02 — Manifest XML pack, 1.9 MB
WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.3932, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.5074, captured 2026-06-02 — Manifest XML pack, 2.0 MB