Microsoft-Windows-EnhancedStorage-EhStorTcgDrv

Event	Title	Channel	Sample	Rule
1	An operation has failed (hr, ErrorParam1, ErrorParam2, ErrorParam3).	System	N	N
2	An operation has failed (Win32Err, ErrorParam1, ErrorParam2, ErrorParam3).	System	N	N
3	An operation has failed (ErrorParam1, ErrorParam2, ErrorParam3, ErrorParam4).	System	N	N
4	Failed to allocate object.	System	N	N
5	Unexpected size.	System	N	N
6	Invalid data.	System	N	N
7	Device responded with an error status.	System	N	N
8	Bad device.	System	N	N
9	The function is not supported.	System	N	N
10	A TCG Command has returned an error.	System	N	N
11	A TCG Silo Command has returned an error.	System	N	N
12	A TCG Silo has returned the capabilities value of Capabilities.	System	N	N
13	The system has performed an authentication operation on an Enhanced Storage …	System	N	N
14	A TCG error has occurred.	System	N	N
100	The following informational event has occurred (Param1, Param2, Param3, Param4).	System	N	N
101	The following warning event has occurred (Param1, Param2, Param3, Param4).	System	N	N
102	The following error event has occurred (Param1, Param2, Param3, Param4).	System	N	N
103	An operation was performed on band id BandID of device DeviceLocation.	System	N	N
200	Get silo capabilities (SiloCmd=Param1).	Analytic	N	N
201	Get silo capabilities returned (SiloCmd=Param1, Status=Param2).	Analytic	N	N
202	Execute silo command (SiloCmd=SiloCmd).	Analytic	N	N
203	Excute silo command returned (SiloCmd=SiloCmd, Status=TcgCmd).	Analytic	N	N
204	Silo reset (SiloCmd=Param1).	Analytic	N	N
205	Silo reset returned (SiloCmd=Param1, Status=Param2).	Analytic	N	N
206	Ioctl: QueryCapabilities	Analytic	N	N
207	Ioctl: QueryCapabilities returned (Status=Param1).	Analytic	N	N
208	Ioctl: Activate	Analytic	N	N
209	Ioctl: Activate returned (Status=Param1).	Analytic	N	N
210	Ioctl: Revert	Analytic	N	N
211	Ioctl: Revert returned (Status=Param1).	Analytic	N	N
212	Ioctl: EnumBands	Analytic	N	N
213	Ioctl: EnumBands returned (Status=Param1).	Analytic	N	N
214	Ioctl: CreateBand	Analytic	N	N
215	Ioctl: CreateBand returned (Status=Param1).	Analytic	N	N
216	Ioctl: SetBandLocation	Analytic	N	N
217	Ioctl: SetBandLocation returned (Status=Param1).	Analytic	N	N
218	Ioctl: SetBandSecurity	Analytic	N	N
219	Ioctl: SetBandSecurity returned (Status=Param1).	Analytic	N	N
220	Ioctl: DeleteBand	Analytic	N	N
221	Ioctl: DeleteBand returned (Status=Param1).	Analytic	N	N
222	Ioctl: EraseBand	Analytic	N	N
223	Ioctl: EraseBand returned (Status=Param1).	Analytic	N	N
224	Ioctl: GetBandMetadata	Analytic	N	N
225	Ioctl: GetBandMetadata returned (Status=Param1).	Analytic	N	N
226	Ioctl: SetBandMetadata	Analytic	N	N
227	Ioctl: SetBandMetadata returned (Status=Param1).	Analytic	N	N
228	Ioctl: RelinquishSilo	Analytic	N	N
229	Ioctl: RelinquishSilo returned (Status=Param1).	Analytic	N	N
230	Ioctl: SetSid	Analytic	N	N
231	Ioctl: SetSid returned (Status=Param1).	Analytic	N	N
232	Ioctl: EraseAllBands	Analytic	N	N
233	Ioctl: EraseAllBands returned (Status=Param1).	Analytic	N	N

Event ID 1: An operation has failed (hr, ErrorParam1, ErrorParam2, ErrorParam3).

Channel: System
Task: Driver
Opcode: General

Message #

An operation has failed (%3, %4, %5, %6).
%1
HResult: %2

Fields #

Name	Description
`Context` AnsiString
`hr` Int32
`ErrorParam1` HexInt32
`ErrorParam2` HexInt32
`ErrorParam3` HexInt32
`ErrorParam4` HexInt32

Event ID 2: An operation has failed (Win32Err, ErrorParam1, ErrorParam2, ErrorParam3).

Channel: System
Task: Driver
Opcode: General

Message #

An operation has failed (%3, %4, %5, %6).
%1
Win32Error: %2

Fields #

Name	Description
`Context` AnsiString
`Win32Err` UInt32
`ErrorParam1` HexInt32
`ErrorParam2` HexInt32
`ErrorParam3` HexInt32
`ErrorParam4` HexInt32

Event ID 3: An operation has failed (ErrorParam1, ErrorParam2, ErrorParam3, ErrorParam4).

Channel: System
Task: Driver
Opcode: General

Message #

An operation has failed (%3, %4, %5, %6).
%1
NTStatus: %2

Fields #

Name	Description
`Context` AnsiString
`NTStatus` HexInt32	NTSTATUS reference
`ErrorParam1` HexInt32
`ErrorParam2` HexInt32
`ErrorParam3` HexInt32
`ErrorParam4` HexInt32

Event ID 4: Failed to allocate object.

Channel: System
Task: Driver
Opcode: General

Message #

Failed to allocate object.
Object: %1
Size: %2

Fields #

Name	Description
`ObjectName` AnsiString
`ObjectSize` UInt32

Event ID 5: Unexpected size.

Channel: System
Task: Driver
Opcode: General

Message #

Unexpected size.
Object: %1
Expected Size: %2
Actual Size: %3

Fields #

Name	Description
`Context` AnsiString
`ExpectedSize` UInt32
`ActualSize` UInt32

Event ID 6: Invalid data.

Channel: System
Task: Driver
Opcode: General

Message #

Invalid data.
Name: %1
Value: %2

Fields #

Name	Description
`Name` AnsiString
`Value` HexInt32

Event ID 7: Device responded with an error status.

Channel: System
Task: Driver
Opcode: General

Message #

Device responded with an error status.
Status: %1

Fields #

Name	Description
`Name` AnsiString
`Value` HexInt32

Event ID 8: Bad device.

Channel: System
Task: Driver
Opcode: General

Message #

Bad device.
Device: %1
Reason: %2

Fields #

Name	Description
`Name` AnsiString
`String` AnsiString

Event ID 9: The function is not supported.

Channel: System
Task: Driver
Opcode: General

Message #

The function is not supported.
Function: %1
Context: %2

Fields #

Name	Description
`Name` AnsiString
`String` AnsiString

Event ID 10: A TCG Command has returned an error.

Channel: System
Task: Driver
Opcode: TcgLib

Message #

A TCG Command has returned an error.
Desc: %1
Param1: %2
Param2: %3
Param3: %4
Param4: %5
Status: %6

Fields #

Name	Description
`Description` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64
`CmdStatus` HexInt32

Event ID 11: A TCG Silo Command has returned an error.

Channel: System
Task: Driver
Opcode: TcgLib

Message #

A TCG Silo Command has returned an error.
%1
SiloCommand=%2, SiloStatus=%3
InvokingID=%4, MethodID=%5

Fields #

Name	Description
`Description` AnsiString
`SiloCommand` HexInt32
`SiloStatus` HexInt32
`TCGInvokingID` HexInt64
`TCGMethodID` HexInt64

Event ID 12: A TCG Silo has returned the capabilities value of Capabilities.

Channel: System
Task: Driver
Opcode: General

Message #

A TCG Silo has returned the capabilities value of %1.

Fields #

Name	Description
`Capabilities` HexInt32
`KeyProtectionMechanism` HexInt64
`MaxBandCount` UInt32
`BandMetadataSize` UInt32

Event ID 13: The system has performed an authentication operation on an Enhanced Storage device.

Channel: System
Task: Driver
Opcode: General

Message #

The system has performed an authentication operation on an Enhanced Storage device.
BandID=%1
Authorize=%2
Status=%3

Fields #

Name	Description
`BandID` UInt32
`Authorize` UInt32
`Status` HexInt32	NTSTATUS reference

Event ID 14: A TCG error has occurred.

Channel: System
Task: Driver
Opcode: TcgLib

Message #

A TCG error has occurred.
Desc: %1
Param1: %2
Param2: %3
Param3: %4
Param4: %5

Fields #

Name	Description
`Description` AnsiString
`Param1` UInt64
`Param2` UInt64
`Param3` UInt64
`Param4` UInt64

Event ID 100: The following informational event has occurred (Param1, Param2, Param3, Param4).

Channel: System
Task: Driver
Opcode: General

Message #

The following informational event has occurred (%2, %3, %4, %5).
%1

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt32
`Param2` HexInt32
`Param3` HexInt32
`Param4` HexInt32

Event ID 101: The following warning event has occurred (Param1, Param2, Param3, Param4).

Channel: System
Task: Driver
Opcode: General

Message #

The following warning event has occurred (%2, %3, %4, %5).
%1

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt32
`Param2` HexInt32
`Param3` HexInt32
`Param4` HexInt32

Event ID 102: The following error event has occurred (Param1, Param2, Param3, Param4).

Channel: System
Task: Driver
Opcode: General

Message #

The following error event has occurred (%2, %3, %4, %5).
%1

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt32
`Param2` HexInt32
`Param3` HexInt32
`Param4` HexInt32

Event ID 103: An operation was performed on band id BandID of device DeviceLocation.

Channel: System
Task: Driver
Opcode: General

Message #

An operation was performed on band id %2 of device %1.                    
Parameter1Name: %3                    
Parameter1Value: %4                    
Parameter2Name: %5                    
Parameter2Value: %6                    
Parameter3Name: %7                    
Parameter3Value: %8                    
Parameter4Name: %9                    
Parameter4Value: %10

Fields #

Name	Description
`DeviceLocation` UnicodeString
`BandID` UInt32
`Parameter1Name` UnicodeString
`Parameter1Value` UInt64
`Parameter2Name` UnicodeString
`Parameter2Value` UInt64
`Parameter3Name` UnicodeString
`Parameter3Value` UInt64
`Parameter4Name` UnicodeString
`Parameter4Value` UInt64

Event ID 200: Get silo capabilities (SiloCmd=Param1).

Channel: Analytic
Task: GetSiloCaps
Opcode: Start

Message #

Get silo capabilities (SiloCmd=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 201: Get silo capabilities returned (SiloCmd=Param1, Status=Param2).

Channel: Analytic
Task: GetSiloCaps
Opcode: Stop

Message #

Get silo capabilities returned (SiloCmd=%2, Status=%3).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 202: Execute silo command (SiloCmd=SiloCmd).

Channel: Analytic
Task: ExecuteSiloCmd
Opcode: Start

Message #

Execute silo command (SiloCmd=%2).

Fields #

Name	Description
`Context` AnsiString
`SiloCmd` HexInt64
`TcgCmd` AnsiString
`Status` HexInt64	NTSTATUS reference
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 203: Excute silo command returned (SiloCmd=SiloCmd, Status=TcgCmd).

Channel: Analytic
Task: ExecuteSiloCmd
Opcode: Stop

Message #

Excute silo command returned (SiloCmd=%2, Status=%3).
InvokingId = %4
MethodId = %5

Fields #

Name	Description
`Context` AnsiString
`SiloCmd` HexInt64
`TcgCmd` AnsiString
`Status` HexInt64	NTSTATUS reference
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 204: Silo reset (SiloCmd=Param1).

Channel: Analytic
Task: Reset
Opcode: Start

Message #

Silo reset (SiloCmd=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 205: Silo reset returned (SiloCmd=Param1, Status=Param2).

Channel: Analytic
Task: Reset
Opcode: Stop

Message #

Silo reset returned (SiloCmd=%2, Status=%3).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 206: Ioctl: QueryCapabilities

Channel: Analytic
Task: IoctlQueryCapabilities
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 207: Ioctl: QueryCapabilities returned (Status=Param1).

Channel: Analytic
Task: IoctlQueryCapabilities
Opcode: Stop

Message #

Ioctl: QueryCapabilities returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 208: Ioctl: Activate

Channel: Analytic
Task: IoctlActivate
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 209: Ioctl: Activate returned (Status=Param1).

Channel: Analytic
Task: IoctlActivate
Opcode: Stop

Message #

Ioctl: Activate returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 210: Ioctl: Revert

Channel: Analytic
Task: IoctlRevert
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 211: Ioctl: Revert returned (Status=Param1).

Channel: Analytic
Task: IoctlRevert
Opcode: Stop

Message #

Ioctl: Revert returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 212: Ioctl: EnumBands

Channel: Analytic
Task: IoctlEnumerateBands
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 213: Ioctl: EnumBands returned (Status=Param1).

Channel: Analytic
Task: IoctlEnumerateBands
Opcode: Stop

Message #

Ioctl: EnumBands returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 214: Ioctl: CreateBand

Channel: Analytic
Task: IoctlCreateBand
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 215: Ioctl: CreateBand returned (Status=Param1).

Channel: Analytic
Task: IoctlCreateBand
Opcode: Stop

Message #

Ioctl: CreateBand returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 216: Ioctl: SetBandLocation

Channel: Analytic
Task: IoctlSetBandLocation
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 217: Ioctl: SetBandLocation returned (Status=Param1).

Channel: Analytic
Task: IoctlSetBandLocation
Opcode: Stop

Message #

Ioctl: SetBandLocation returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 218: Ioctl: SetBandSecurity

Channel: Analytic
Task: IoctlSetBandSecurity
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 219: Ioctl: SetBandSecurity returned (Status=Param1).

Channel: Analytic
Task: IoctlSetBandSecurity
Opcode: Stop

Message #

Ioctl: SetBandSecurity returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 220: Ioctl: DeleteBand

Channel: Analytic
Task: IoctlDeleteBand
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 221: Ioctl: DeleteBand returned (Status=Param1).

Channel: Analytic
Task: IoctlDeleteBand
Opcode: Stop

Message #

Ioctl: DeleteBand returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 222: Ioctl: EraseBand

Channel: Analytic
Task: IoctlEraseBand
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 223: Ioctl: EraseBand returned (Status=Param1).

Channel: Analytic
Task: IoctlEraseBand
Opcode: Stop

Message #

Ioctl: EraseBand returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 224: Ioctl: GetBandMetadata

Channel: Analytic
Task: IoctlGetBandMetadata
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 225: Ioctl: GetBandMetadata returned (Status=Param1).

Channel: Analytic
Task: IoctlGetBandMetadata
Opcode: Stop

Message #

Ioctl: GetBandMetadata returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 226: Ioctl: SetBandMetadata

Channel: Analytic
Task: IoctlSetBandMetadata
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 227: Ioctl: SetBandMetadata returned (Status=Param1).

Channel: Analytic
Task: IoctlSetBandMetadata
Opcode: Stop

Message #

Ioctl: SetBandMetadata returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 228: Ioctl: RelinquishSilo

Channel: Analytic
Task: IoctlRelinquishSilo
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 229: Ioctl: RelinquishSilo returned (Status=Param1).

Channel: Analytic
Task: IoctlRelinquishSilo
Opcode: Stop

Message #

Ioctl: RelinquishSilo returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 230: Ioctl: SetSid

Channel: Analytic
Task: IoctlSetSid
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 231: Ioctl: SetSid returned (Status=Param1).

Channel: Analytic
Task: IoctlSetSid
Opcode: Stop

Message #

Ioctl: SetSid returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 232: Ioctl: EraseAllBands

Channel: Analytic
Task: IoctlEraseAllBands
Opcode: Start

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Event ID 233: Ioctl: EraseAllBands returned (Status=Param1).

Channel: Analytic
Task: IoctlEraseAllBands
Opcode: Stop

Message #

Ioctl: EraseAllBands returned (Status=%2).

Fields #

Name	Description
`Context` AnsiString
`Param1` HexInt64
`Param2` HexInt64
`Param3` HexInt64
`Param4` HexInt64

Provenance

ETW provider GUID aa3aa23b-bb6d-425a-b58c-1d7e37f5d02a

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

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