Microsoft-Windows-Diagnosis-PCW

Event	Title	Channel	Sample	Rule
1	Provider ProviderGuid failed to register.	Operational	N	N
2	Provider ProviderGuid failed to register counter set CounterSetGuid.	Operational	Y	N
3	Instance (CounterSetGuid, InstanceName, InstanceId) could not be created.	Operational	Y	N
4	About to call provider ProviderGuid callback with arguments (CallbackReason, …	Analytic	N	N
5	Callback returned.	Analytic	N	N
6	Provider ProviderGuid received an invalid notification with size Size.	Debug	N	N
7	Provider ProviderGuid received notification: RequestCode.	Debug	N	N
8	Provider ProviderGuid notification handler has replied with size Size and error …	Debug	N	N
9	Notification returning with status: "Status".	Debug	N	N
13	Query of provider ProviderGuid with id Id had data collected.	Analytic	N	N
16	Counter CounterId of instance (CounterSetGuid, InstanceName, InstanceId) could …	Operational	Y	N
17	Provider ProviderGuid failed to unregister.	Operational	N	N
18	Instance (CounterSetGuid, InstanceName, InstanceId) could not be closed.	Operational	N	N
19	Instance (CounterSetGuid, InstanceName, InstanceId) could not be queried.	Operational	N	N
20	Unable to load pcw.	Operational	N	N
21	Kernel-mode provider failed to register counter set CounterSetName.	Operational	N	N
22	Kernel-mode provider failed to create instance InstanceName of counter set …	Operational	N	N
23	Kernel-mode provider failed to add instance InstanceName of counter set …	Operational	N	N
24	PCW driver failed when executing ioctl function FunctionIndex.	Analytic	N	N
25	PCW device missing during registration of counter set CounterSetGuid of provider …	Debug	N	N

Event ID 1: Provider ProviderGuid failed to register.

Channel: Operational

Description

Provider ProviderGuid failed to register. Error: "Error".

Message #

Provider %2 failed to register. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`ProviderGuid` GUID

Event ID 2: Provider ProviderGuid failed to register counter set CounterSetGuid.

Channel: Operational

Description

Provider ProviderGuid failed to register counter set CounterSetGuid. Error: "Error".

Message #

Provider %2 failed to register counter set %3. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`ProviderGuid` GUID
`CounterSetGuid` GUID

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Diagnosis-PCW",
    "event_id": 2,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "time_created": "2026-05-18T04:38:25.8277283+00:00",
    "computer": "JD-DC01-2022.ludus.domain",
    "channel": "Microsoft-Windows-Diagnosis-PCW"
  },
  "event_data": {
    "ProviderGuid": "{1568ac8e-ff96-4107-926f-4499baaf5110}",
    "Error": "5",
    "CounterSetGuid": "{9d7d6cb7-9b25-4bf4-b2c6-c502e401d12d}"
  }
}

Event ID 3: Instance (CounterSetGuid, InstanceName, InstanceId) could not be created.

Channel: Operational

Description

Instance (CounterSetGuid, InstanceName, InstanceId) could not be created. Error: "Error".

Message #

Instance (%2, %3, %4) could not be created. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`CounterSetGuid` GUID
`InstanceName` UnicodeString
`InstanceId` UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Diagnosis-PCW",
    "guid": "AABF8B86-7936-4FA2-ACB0-63127F879DBF",
    "event_source_name": "",
    "event_id": 3,
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": 9223372036854777856,
    "time_created": "2026-03-13T20:26:07.358863+00:00",
    "event_record_id": 2245,
    "correlation": {
      "ActivityID": "010930CA-58CC-4D55-AD7E-3768B763C942"
    },
    "execution": {
      "process_id": 1840,
      "thread_id": 4820
    },
    "channel": "Microsoft-Windows-Diagnosis-PCW/Operational",
    "computer": "LAB-WIN11.ludus.domain",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "Error": 183,
    "CounterSetGuid": "90C3888A-474E-4932-9925-ED1DC6731F36",
    "InstanceName": "D66F4153-89DD-4D11-8753-19E1BF9370ED configuration file",
    "InstanceId": 0
  },
  "message": ""
}

Event ID 4: About to call provider ProviderGuid callback with arguments (CallbackReason, MachineName, MachineNameSize).

Channel: Analytic

Message #

About to call provider %1 callback with arguments (%2, %3, %4).

Fields #

Name	Description
`ProviderGuid` GUID
`CallbackReason` UInt32
`MachineName` UnicodeString
`MachineNameSize` UInt32

Event ID 5: Callback returned.

Channel: Analytic

Description

Callback returned. Return value: "Status".

Message #

Callback returned. Return value: "%1"

Fields #

Name	Description
`Status` UInt32	NTSTATUS reference

Event ID 6: Provider ProviderGuid received an invalid notification with size Size.

Channel: Debug

Message #

Provider %1 received an invalid notification with size %2.

Fields #

Name	Description
`ProviderGuid` GUID
`Size` UInt32

Event ID 7: Provider ProviderGuid received notification: RequestCode.

Channel: Debug

Message #

Provider %1 received notification: %2.

Fields #

Name	Description
`ProviderGuid` GUID
`RequestCode` UInt32

Event ID 8: Provider ProviderGuid notification handler has replied with size Size and error code "Status".

Channel: Debug

Message #

Provider %1 notification handler has replied with size %3 and error code "%2".

Fields #

Name	Description
`ProviderGuid` GUID
`Status` UInt32	NTSTATUS reference
`Size` UInt32

Event ID 9: Notification returning with status: "Status".

Channel: Debug

Message #

Notification returning with status: "%1"

Fields #

Name	Description
`Status` UInt32	NTSTATUS reference

Event ID 13: Query of provider ProviderGuid with id Id had data collected.

Channel: Analytic

Message #

Query of provider %1 with id %2 had data collected.

Fields #

Name	Description
`ProviderGuid` GUID
`Id` UInt64

Event ID 16: Counter CounterId of instance (CounterSetGuid, InstanceName, InstanceId) could not be modified.

Channel: Operational
Also via: realtime ETW trace

Description

Counter CounterId of instance (CounterSetGuid, InstanceName, InstanceId) could not be modified. Error: "Error".

Message #

Counter %5 of instance (%2, %3, %4) could not be modified. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`CounterSetGuid` GUID
`InstanceName` UnicodeString
`InstanceId` UInt32
`CounterId` UInt32

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Diagnosis-PCW",
    "guid": "AABF8B86-7936-4FA2-ACB0-63127F879DBF",
    "event_source_name": "",
    "event_id": 16,
    "version": 0,
    "level": 0,
    "task": 0,
    "opcode": 0,
    "keywords": 9223372036854777856,
    "time_created": "2022-04-07T08:15:12.584665+00:00",
    "event_record_id": 352,
    "correlation": {},
    "execution": {
      "process_id": 1300,
      "thread_id": 1856
    },
    "channel": "Microsoft-Windows-Diagnosis-PCW/Operational",
    "computer": "WIN-FPV0DSIC9O6.lab.local",
    "security": {
      "user_id": "S-1-5-19"
    }
  },
  "event_data": {
    "Error": 1168,
    "CounterSetGuid": "40E6824E-1B9B-4329-9A6E-E94C8FB03A3F",
    "InstanceName": "_Default",
    "InstanceId": 0,
    "CounterId": 84
  },
  "message": ""
}

References #

Example event sourced from https://github.com/NextronSystems/evtx-baseline

Event ID 17: Provider ProviderGuid failed to unregister.

Channel: Operational

Description

Provider ProviderGuid failed to unregister. Error: "Error".

Message #

Provider %2 failed to unregister. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`ProviderGuid` GUID

Event ID 18: Instance (CounterSetGuid, InstanceName, InstanceId) could not be closed.

Channel: Operational

Description

Instance (CounterSetGuid, InstanceName, InstanceId) could not be closed. Error: "Error".

Message #

Instance (%2, %3, %4) could not be closed. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`CounterSetGuid` GUID
`InstanceName` UnicodeString
`InstanceId` UInt32

Event ID 19: Instance (CounterSetGuid, InstanceName, InstanceId) could not be queried.

Channel: Operational

Description

Instance (CounterSetGuid, InstanceName, InstanceId) could not be queried. Error: "Error".

Message #

Instance (%2, %3, %4) could not be queried. Error: "%1"

Fields #

Name	Description
`Error` UInt32
`CounterSetGuid` GUID
`InstanceName` UnicodeString
`InstanceId` UInt32

Event ID 20: Unable to load pcw.

Channel: Operational

Description

Unable to load pcw.sys, phase Phase failed. Error: "ErrorCode".

Message #

Unable to load pcw.sys, phase %2 failed. Error: "%1"

Fields #

Name	Description
`ErrorCode` UInt32
`Phase` UInt32

Event ID 21: Kernel-mode provider failed to register counter set CounterSetName.

Channel: Operational

Description

Kernel-mode provider failed to register counter set CounterSetName. Error: "ErrorCode".

Message #

Kernel-mode provider failed to register counter set %3. Error: "%1"

Fields #

Name	Description
`ErrorCode` UInt32
`CounterSetNameLength` UInt16
`CounterSetName` UnicodeString

Event ID 22: Kernel-mode provider failed to create instance InstanceName of counter set CounterSetName.

Channel: Operational

Description

Kernel-mode provider failed to create instance InstanceName of counter set CounterSetName. Error: "ErrorCode".

Message #

Kernel-mode provider failed to create instance %5 of counter set %3. Error: "%1"

Fields #

Name	Description
`ErrorCode` UInt32
`CounterSetNameLength` UInt16
`CounterSetName` UnicodeString
`InstanceNameLength` UInt16
`InstanceName` UnicodeString

Event ID 23: Kernel-mode provider failed to add instance InstanceName of counter set CounterSetName.

Channel: Operational

Description

Kernel-mode provider failed to add instance InstanceName of counter set CounterSetName. Error: "ErrorCode".

Message #

Kernel-mode provider failed to add instance %5 of counter set %3. Error: "%1"

Fields #

Name	Description
`ErrorCode` UInt32
`CounterSetNameLength` UInt16
`CounterSetName` UnicodeString
`InstanceNameLength` UInt16
`InstanceName` UnicodeString

Event ID 24: PCW driver failed when executing ioctl function FunctionIndex.

Channel: Analytic

Description

PCW driver failed when executing ioctl function FunctionIndex. Error: "ErrorCode".

Message #

PCW driver failed when executing ioctl function %2. Error: "%1"

Fields #

Name	Description
`ErrorCode` UInt32
`FunctionIndex` UInt32

Event ID 25: PCW device missing during registration of counter set CounterSetGuid of provider ProviderGuid.

Channel: Debug

Message #

PCW device missing during registration of counter set %2 of provider %1.

Fields #

Name	Description
`ProviderGuid` GUID
`CounterSetGuid` GUID

Provenance

ETW provider GUID {AABF8B86-7936-4FA2-ACB0-63127F879DBF}

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

Win11-26200.6584, sample captured from a live trace, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB
WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB