Microsoft-Windows-Partition

16 events across 3 channels

Event ID 1001: Operation started.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic

Description

Operation started.

Message #

Operation started.

Fields #

NameDescription
DiskNumber UInt32
ControlCode UInt32

Event ID 1002: Operation completed.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic

Description

Operation completed.

Message #

Operation completed.

Fields #

NameDescription
DiskNumber UInt32
ControlCode UInt32
Status UInt32NTSTATUS reference

Event ID 1003: task_01003

#
Provider
Microsoft-Windows-Partition
Channel
Analytic
Also via
realtime ETW trace
Level
Informational

Fields #

NameDescription
Process Pointer
IncrementEnergy UInt64
SrvTime UInt64
EndByteOffset UInt64
IoSize UInt32
LastIdleState UInt8
IsRandom UInt8

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Partition",
    "guid": "{412BDFF2-A8C4-470D-8F33-63FE0D8C20E2}",
    "event_source_name": "",
    "event_id": 1003,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": "0x4000000000000001",
    "time_created": "2026-06-02T06:00:15.145+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 0,
      "thread_id": 0
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "EndByteOffset": 609107968,
    "IncrementEnergy": 543750000,
    "IoSize": 4096,
    "IsRandom": 1,
    "LastIdleState": 2,
    "Process": "0xFFFFBD09DF6A2040",
    "SrvTime": 0
  },
  "message": ""
}

Event ID 1004: task_01004

#
Provider
Microsoft-Windows-Partition
Channel
Analytic
Also via
realtime ETW trace
Level
Informational

Fields #

NameDescription
Process Pointer
IncrementEnergy UInt64
IdleTime UInt64
LastIdleState UInt8

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Partition",
    "guid": "{412BDFF2-A8C4-470D-8F33-63FE0D8C20E2}",
    "event_source_name": "",
    "event_id": 1004,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": "0x4000000000000001",
    "time_created": "2026-06-02T06:00:15.145+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 4,
      "thread_id": 11208
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "IdleTime": 12095170,
    "IncrementEnergy": 10247522400,
    "LastIdleState": 2,
    "Process": "0xFFFFBD09DF6A2040"
  },
  "message": ""
}

Event ID 1005: task_01005

#
Provider
Microsoft-Windows-Partition
Channel
Analytic
Also via
realtime ETW trace
Level
Informational

Fields #

NameDescription
LocalLastCompTime UInt64
SharedLastCompTime UInt64
CompTime UInt64

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Partition",
    "guid": "{412BDFF2-A8C4-470D-8F33-63FE0D8C20E2}",
    "event_source_name": "",
    "event_id": 1005,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": "0x4000000000000001",
    "time_created": "2026-06-02T06:00:16.729+00:00",
    "event_record_id": 0,
    "correlation": {},
    "execution": {
      "process_id": 4,
      "thread_id": 8936
    },
    "channel": "ETW Trace",
    "computer": "DESKTOP-FF3N5XK",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "CompTime": 1232263626741,
    "LocalLastCompTime": 1232263628098,
    "SharedLastCompTime": 1232263628098
  },
  "message": ""
}

Event ID 1006: For internal use only.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic
Level
Informational

Description

For internal use only.

Message #

For internal use only.

Fields #

NameDescription
DiskNumber UInt32
Flags UInt32
Characteristics UInt32
IsSystemCritical Boolean
PagingCount UInt32
HibernationCount UInt32
DumpCount UInt32
BytesPerSector UInt32
Capacity UInt64
BusType UInt32
Manufacturer UnicodeString
Model UnicodeString
Revision UnicodeString
SerialNumber UnicodeString
Location UnicodeString
ParentId UnicodeString
Socket Int32
Slot Int32
Bus Int32
Device Int32
Function Int32
Adapter Int32
Port Int32
Target Int32
Lun Int32
IoctlSupport UInt64
IdFlags UInt32
DiskId GUID
AdapterId GUID
RegistryId GUID
PoolId GUID
FirmwareSupportsUpgrade Boolean
FirmwareSlotCount UInt8
StorageIdCount UInt32
StorageIdCodeSet UInt32
StorageIdType UInt32
StorageIdAssociation UInt32
StorageIdBytes UInt32
StorageId Binary
WriteCacheType UInt32
WriteCacheEnabled UInt32
WriteCacheChangeable UInt32
WriteThroughSupported UInt32
FlushCacheSupported Boolean
IsPowerProtected Boolean
NVCacheEnabled Boolean
BytesPerLogicalSector UInt32
BytesPerPhysicalSector UInt32
BytesOffsetForSectorAlignment UInt32
IncursSeekPenalty Boolean
IsTrimSupported Boolean
IsThinProvisioned Boolean
OptimalUnmapGranularity UInt64
UnmapAlignment UInt64
NumberOfLogicalCopies UInt32
NumberOfPhysicalCopies UInt32
FaultTolerance UInt32
NumberOfColumns UInt32
InterleaveBytes UInt32
HybridSupported Boolean
HybridCacheBytes UInt64
AdapterMaximumTransferBytes UInt32
AdapterMaximumTransferPages UInt32
AdapterAlignmentMask UInt32
AdapterSerialNumber UnicodeString
PortDriver UInt32
UserRemovalPolicy Boolean
PartitionStyle UInt32
PartitionCount UInt32
PartitionTableBytes UInt32
PartitionTable Binary
MbrBytes UInt32
Mbr Binary
Vbr0Bytes UInt32
Vbr0 Binary
Vbr1Bytes UInt32
Vbr1 Binary
Vbr2Bytes UInt32
Vbr2 Binary
Vbr3Size UInt32
Vbr3 Binary

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Partition",
    "guid": "412BDFF2-A8C4-470D-8F33-63FE0D8C20E2",
    "event_source_name": "",
    "event_id": 1006,
    "version": 4,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": 9223372036854775808,
    "time_created": "2023-11-06T06:25:12.672631+00:00",
    "event_record_id": 11,
    "correlation": {},
    "execution": {
      "process_id": 4,
      "thread_id": 236
    },
    "channel": "Microsoft-Windows-Partition/Diagnostic",
    "computer": "WinDev2310Eval",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "DiskNumber": 0,
    "Flags": 538976528,
    "Characteristics": 262400,
    "IsSystemCritical": true,
    "PagingCount": 0,
    "HibernationCount": 0,
    "DumpCount": 0,
    "BytesPerSector": 512,
    "Capacity": 134217728000,
    "BusType": 10,
    "Manufacturer": "VMware,",
    "Model": "VMware Virtual S",
    "Revision": "1.0",
    "SerialNumber": "NULL",
    "Location": "PCI Slot 160 : Bus 3 : Device 0 : Function 0 : Adapter 0 : Port 0 : Target 0 : LUN 0",
    "ParentId": "PCI\\VEN_1000&DEV_0054&SUBSYS_197615AD&REV_01\\4&2509f6e&0&00A8",
    "Socket": -1,
    "Slot": 160,
    "Bus": 3,
    "Device": 0,
    "Function": 0,
    "Adapter": 0,
    "Port": 0,
    "Target": 0,
    "Lun": 0,
    "IoctlSupport": 59751,
    "IdFlags": 2,
    "DiskId": "33A0A150-7C6D-11EE-9369-806E6F6E6963",
    "AdapterId": "C831DD37-73BE-11EE-935E-806E6F6E6963",
    "RegistryId": "C831DD44-73BE-11EE-935E-806E6F6E6963",
    "PoolId": "00000000-0000-0000-0000-000000000000",
    "FirmwareSupportsUpgrade": true,
    "FirmwareSlotCount": 1,
    "StorageIdCount": 0,
    "StorageIdCodeSet": 0,
    "StorageIdType": 0,
    "StorageIdAssociation": 0,
    "StorageIdBytes": 0,
    "StorageId": "",
    "WriteCacheType": 0,
    "WriteCacheEnabled": 0,
    "WriteCacheChangeable": 0,
    "WriteThroughSupported": 0,
    "FlushCacheSupported": false,
    "IsPowerProtected": false,
    "NVCacheEnabled": false,
    "BytesPerLogicalSector": 512,
    "BytesPerPhysicalSector": 512,
    "BytesOffsetForSectorAlignment": 0,
    "IncursSeekPenalty": false,
    "IsTrimSupported": false,
    "IsThinProvisioned": false,
    "OptimalUnmapGranularity": 0,
    "UnmapAlignment": 0,
    "NumberOfLogicalCopies": 0,
    "NumberOfPhysicalCopies": 0,
    "FaultTolerance": 0,
    "NumberOfColumns": 0,
    "InterleaveBytes": 0,
    "HybridSupported": false,
    "HybridCacheBytes": 0,
    "AdapterMaximumTransferBytes": 16777215,
    "AdapterMaximumTransferPages": 257,
    "AdapterAlignmentMask": 0,
    "AdapterSerialNumber": "NULL",
    "PortDriver": 1,
    "UserRemovalPolicy": false,
    "PartitionStyle": 1,
    "PartitionCount": 4,
    "PartitionTableBytes": 624,
    "PartitionTable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
    "MbrBytes": 0,
    "Mbr": "",
    "Vbr0Bytes": 0,
    "Vbr0": "",
    "Vbr1Bytes": 0,
    "Vbr1": "",
    "Vbr2Bytes": 0,
    "Vbr2": "",
    "Vbr3Size": 0,
    "Vbr3": ""
  },
  "message": ""
}

References #

Event ID 1007: Disk DiskNumber has HiddenPartitionsCount hidden partitions.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic

Description

Disk DiskNumber has HiddenPartitionsCount hidden partitions.

Message #

Disk %1 has %2 hidden partitions.

Fields #

NameDescription
DiskNumber UInt32
HiddenPartitionsCount UInt32
HiddenPartitions UInt32

Event ID 1008: Critical partition error: failed to change the layout for disk DiskNumber due to partition PartitionNumber.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic

Description

Critical partition error: failed to change the layout for disk DiskNumber due to partition PartitionNumber.

Message #

Critical partition error: failed to change the layout for disk %1 due to partition %2.

Fields #

NameDescription
DiskNumber UInt32
PartitionNumber UInt32

Event ID 1009: Service partition error: failed to set partition information for disk DiskNumber partition PartitionNumber.

#
Provider
Microsoft-Windows-Partition
Channel
Diagnostic

Description

Service partition error: failed to set partition information for disk DiskNumber partition PartitionNumber.

Message #

Service partition error: failed to set partition information for disk %1 partition %2.

Fields #

NameDescription
DiskNumber UInt32
PartitionNumber UInt32

Event ID 5000: WakeNotificationWorkItem

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

WakeNotificationWorkItem.

Message #

WakeNotificationWorkItem

Fields #

NameDescription
DiskNumber UInt32
Flags HexInt32
Status HexInt32NTSTATUS reference
Caller AnsiString

Event ID 5001: NotificationWorkItemLoop

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

NotificationWorkItemLoop.

Message #

NotificationWorkItemLoop

Fields #

NameDescription
DiskNumber UInt32
Flags HexInt32
Iteration UInt32

Event ID 5002: NotificationWorkItemExit

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

NotificationWorkItemExit.

Message #

NotificationWorkItemExit

Fields #

NameDescription
DiskNumber UInt32

Event ID 5003: QueryRemovalRelationsEnter

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

QueryRemovalRelationsEnter.

Message #

QueryRemovalRelationsEnter

Fields #

NameDescription
DiskNumber UInt32
Irp Pointer

Event ID 5004: QueryRemovalRelationsWait

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

QueryRemovalRelationsWait.

Message #

QueryRemovalRelationsWait

Fields #

NameDescription
DiskNumber UInt32
Irp Pointer
Status HexInt32NTSTATUS reference

Event ID 5005: QueryRemovalRelationsExit

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

QueryRemovalRelationsExit.

Message #

QueryRemovalRelationsExit

Fields #

NameDescription
DiskNumber UInt32
Irp Pointer

Event ID 5006: QueryDepends

#
Provider
Microsoft-Windows-Partition
Channel
Debug

Description

QueryDepends.

Message #

QueryDepends

Fields #

NameDescription
DiskNumber UInt32
Irp Pointer

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 {412BDFF2-A8C4-470D-8F33-63FE0D8C20E2}

Defined in partmgr.sys, the binary that emits these events.

Observed on:

  • Win11-26200.6584, sample captured from a live trace, binary version 10.0.26100.4768, 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 10.0.26100.4768, captured 2026-06-02

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