Microsoft-Windows-Hyper-V-EmulatedStor

EventTitleChannelSampleRule
1[VMID VmId]OperationalNN
1[VMID VmId] TraceData.Microsoft-Windows-Hyper-V-Worker-AnalyticNN
2[VMID VmId]OperationalNN
2[VMID VmId] TraceData.Microsoft-Windows-Hyper-V-Worker-AnalyticNN
3[VMID VmId]OperationalNN
3[VMID VmId] TraceData.Microsoft-Windows-Hyper-V-Worker-AnalyticNN
4[VMID VmId]OperationalNN
4[VMID VmId] TraceData.Microsoft-Windows-Hyper-V-Worker-AnalyticNN
12140'VmName': Failed to open attachment 'String'OperationalNN
12140'VmName': Failed to open attachment 'String'.Microsoft-Windows-Hyper-V-Worker-AdminYN
12141Failed to open attachment 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12146'VmName': Failed to open ISO image 'String' because the file is corrupt or is …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12147Failed to open ISO image 'String' because the file is corrupt or is too smallOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12148'VmName': Failed to open 'String': Compressed virtual hard disks are not …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12149Failed to open 'String': Compressed virtual hard disks are not supportedOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12162'VmName': Failed to configure 'String': The storage where the virtual hard disk …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12163Failed to configure 'String': The storage where the virtual hard disk is located …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12200'VmName' String: virtual machine is out of Memory Error 'ErrorCodeString' …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12201String: Virtual machine is out of Memory Error 'ErrorCodeString'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12240'VmName': Attachment 'String' not foundOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12241Attachment 'String' not foundOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12290'VmName': Param1 Account does not have sufficient privilege to open attachment …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12291Param1 Account does not have sufficient privilege to open attachment 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12292'VmName' encountered an error while calculating the size of the disk chain for …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12293There was an error while calculating the size of the disk chain for disk metricsOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12300Virtual machine='VmName', File 'String' is not a known floppy image typeOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12301File 'String' is not a known floppy image typeOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12350'VmName': An error occurred while attempting to start the virtual machineOperationalNN
12350'.Microsoft-Windows-Hyper-V-Worker-AdminNN
12351An error occurred while attempting to start the virtual machineOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12352'VmName': An error occurred while attaching 'String' to the virtual machineOperationalNN
12352'.Microsoft-Windows-Hyper-V-Worker-AdminNN
12353An error occurred while attaching 'String' to the virtual machineOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12616Physical DVD drives are not supported on SCSI controllersOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12617Physical DVD drives are not supported on SCSI controllersOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12618DVD drives are not supported on SCSI controllers in Generation 1 virtual …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12619DVD drives are not supported on SCSI controllers in Generation 1 virtual …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12620'VmName': Could not get information for attachment 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12621Could not get information for attachment 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12625'VmName': Failed to enable virtual hard disk resiliency for the drive 'String' …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12626'VmName': Failed to enable virtual hard disk resiliency for the drive 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12628'VmName': Failed to get the recovery status for the drive 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12629'VmName': Failed to get the recovery status for the drive 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12630'VmName': Virtual hard disk resiliency failed to recover the drive 'Path'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12634'VmName': Virtual hard disk resiliency successfully recovered drive 'Path'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12635'VmName': Virtual hard disk 'Path' received a resiliency status notificationOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12636'VmName': Virtual hard disk 'Path' has detected a critical errorOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12637'VmName': Virtual hard disk 'Path' has not yet recovered from a previous errorOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12638The virtual machine VmName cannot load device Device because there are no …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12639The device Device cannot be loaded because there are no mutually support …Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12640'VmName': Unsupported attachment Path 'String' in the driveOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12641Unsupported attachment Path 'String' in the driveOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12667'VmName': Could not open file 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12668Could not open file 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12812'VmName': Enabling change tracking failed for the drive 'String'Operational, Microsoft-Windows-Hyper-V-Worker-AdminNN
12817'VmName': An unrecoverable I/O error occurred on drive 'String' at boot timeOperational, Microsoft-Windows-Hyper-V-Worker-AdminNN

Event ID 1: [VMID VmId]

#
Channel
Operational

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 1: [VMID VmId] TraceData.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Analytic

Message #

[VMID %3] %1

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 2: [VMID VmId]

#
Channel
Operational

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 2: [VMID VmId] TraceData.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Analytic

Message #

[VMID %3] %1

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 3: [VMID VmId]

#
Channel
Operational

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 3: [VMID VmId] TraceData.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Analytic

Message #

[VMID %3] %1

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 4: [VMID VmId]

#
Channel
Operational

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 4: [VMID VmId] TraceData.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Analytic

Message #

[VMID %3] %1

Fields #

NameDescription
TraceData UnicodeString
VmName UnicodeString
VmId UnicodeString
StackFrameCount UInt32
StackFrame Pointer
ModuleCount UInt32
Module Int32

Event ID 12140: 'VmName': Failed to open attachment 'String'

#
Channel
Operational

Description

'VmName': Failed to open attachment 'String'. Error: 'ErrorCodeString' (ErrorCode). (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12140: 'VmName': Failed to open attachment 'String'.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Admin
Level
Error

Description

'VmName': Failed to open attachment 'String'. Error: 'ErrorCodeString' (ErrorCode). (Virtual machine ID VmId).

Message #

'%1': Failed to open attachment '%3'. Error: '%4' (%5). (Virtual machine ID %2)

Fields #

NameDescription
VmlEventLog.VmName UnicodeString
VmlEventLog.VmId UnicodeString
VmlEventLog.String UnicodeString
VmlEventLog.ErrorCodeString UnicodeString
VmlEventLog.ErrorCode UInt32
VmlEventLog.Param1 UnicodeString
VmlEventLog.Param2 UnicodeString
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Hyper-V-EmulatedStor",
    "guid": "{86E15E01-EDF1-4AC7-89CF-B19563FD6894}",
    "event_source_name": "",
    "event_id": 12140,
    "version": 0,
    "level": 2,
    "task": 0,
    "opcode": 0,
    "keywords": -9223372036854775808,
    "time_created": "2026-06-13T15:46:57.7400240+00:00",
    "event_record_id": 203,
    "correlation": {
      "ActivityID": "{0726B8BA-FB3C-0003-042C-29073CFBDC01}"
    },
    "execution": {
      "process_id": 8888,
      "thread_id": 5368
    },
    "channel": "Microsoft-Windows-Hyper-V-Worker-Admin",
    "computer": "telemetry-W11-d.cell-d.ludus.domain",
    "security": {
      "user_id": "S-1-5-83-1-838361004-1162202325-2130707894-2078394515"
    }
  },
  "user_data": {
    "VmlEventLog": {
      "VmName": "evtgen-linux",
      "VmId": "31F85FAC-CCD5-4545-B605-007F93C8E17B",
      "String": "C:\\evtgen-hvlinux\\boot_075030EA-1355-4DB9-AC4E-69174C39DD74.avhdx",
      "ErrorCodeString": "%%2147942432",
      "ErrorCode": "7864368",
      "Param1": "80070020",
      "Param2": "IDE/ATAPI"
    }
  },
  "message": "'evtgen-linux': Failed to open attachment 'C:\\evtgen-hvlinux\\boot_075030EA-1355-4DB9-AC4E-69174C39DD74.avhdx'. Error: 'The process cannot access the file because it is being used by another process. ' (7864368). (Virtual machine ID 31F85FAC-CCD5-4545-B605-007F93C8E17B)"
}

Event ID 12141: Failed to open attachment 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

Failed to open attachment 'String'. Error: 'ErrorCodeString'.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12146: 'VmName': Failed to open ISO image 'String' because the file is corrupt or is too small

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Failed to open ISO image 'String' because the file is corrupt or is too small. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12147: Failed to open ISO image 'String' because the file is corrupt or is too small

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12148: 'VmName': Failed to open 'String': Compressed virtual hard disks are not supported

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12149: Failed to open 'String': Compressed virtual hard disks are not supported

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12162: 'VmName': Failed to configure 'String': The storage where the virtual hard disk is located does not support virtual hard disk sharing

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12163: Failed to configure 'String': The storage where the virtual hard disk is located does not support virtual hard disk sharing

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12200: 'VmName' String: virtual machine is out of Memory Error 'ErrorCodeString' (ErrorCode)

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName' String: virtual machine is out of Memory Error 'ErrorCodeString' (ErrorCode). (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12201: String: Virtual machine is out of Memory Error 'ErrorCodeString'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12240: 'VmName': Attachment 'String' not found

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Attachment 'String' not found. Error: 'ErrorCodeString' (ErrorCode). (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12241: Attachment 'String' not found

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

Attachment 'String' not found. Error: 'ErrorCodeString'.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12290: 'VmName': Param1 Account does not have sufficient privilege to open attachment 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Param1 Account does not have sufficient privilege to open attachment 'String'. Error: 'ErrorCodeString' (ErrorCode). (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12291: Param1 Account does not have sufficient privilege to open attachment 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

Param1 Account does not have sufficient privilege to open attachment 'String'. Error: 'ErrorCodeString'.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12292: 'VmName' encountered an error while calculating the size of the disk chain for 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName' encountered an error while calculating the size of the disk chain for 'String'. The error was: 'ErrorCodeString' (ErrorCode). Maximum disk metric will not be updated for the current disk. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12293: There was an error while calculating the size of the disk chain for disk metrics

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12300: Virtual machine='VmName', File 'String' is not a known floppy image type

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

Virtual machine='VmName', File 'String' is not a known floppy image type. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12301: File 'String' is not a known floppy image type

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12350: 'VmName': An error occurred while attempting to start the virtual machine

#
Channel
Operational

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12350: '.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Admin

Message #

'%1': An error occurred while attempting to start the virtual machine. Cannot open '%3'. The state of the virtual machine cannot be changed because one or more storage media are not accessible. Hyper-V does not support the use of storage media if Encrypting File System has been used to encrypt files. (Virtual machine ID %2)

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12351: An error occurred while attempting to start the virtual machine

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

An error occurred while attempting to start the virtual machine. Cannot open 'String'.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12352: 'VmName': An error occurred while attaching 'String' to the virtual machine

#
Channel
Operational

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12352: '.

#
Channel
Microsoft-Windows-Hyper-V-Worker-Admin

Message #

'%1': An error occurred while attaching '%3' to the virtual machine. The file is encrypted. Hyper-V does not support the use of storage media if Encrypting File System has been used to encrypt files. (Virtual machine ID %2)

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12353: An error occurred while attaching 'String' to the virtual machine

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

An error occurred while attaching 'String' to the virtual machine. The file is encrypted.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12616: Physical DVD drives are not supported on SCSI controllers

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12617: Physical DVD drives are not supported on SCSI controllers

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12618: DVD drives are not supported on SCSI controllers in Generation 1 virtual machines

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12619: DVD drives are not supported on SCSI controllers in Generation 1 virtual machines

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12620: 'VmName': Could not get information for attachment 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Could not get information for attachment 'String'. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12621: Could not get information for attachment 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12625: 'VmName': Failed to enable virtual hard disk resiliency for the drive 'String' with error 'ErrorCode' ('ErrorCodeString')

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12626: 'VmName': Failed to enable virtual hard disk resiliency for the drive 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12628: 'VmName': Failed to get the recovery status for the drive 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Failed to get the recovery status for the drive 'String'. Virtual hard disk resiliency will be suspended for this drive until next reboot. Error: 'ErrorCode' ('ErrorCodeString').

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12629: 'VmName': Failed to get the recovery status for the drive 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Failed to get the recovery status for the drive 'String'. Virtual hard disk resiliency will be suspended for this drive until next reboot.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12630: 'VmName': Virtual hard disk resiliency failed to recover the drive 'Path'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Virtual hard disk resiliency failed to recover the drive 'Path'. The virtual machine will be powered off. Current status: Status. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Path UnicodeString
Status UInt32NTSTATUS reference

Event ID 12634: 'VmName': Virtual hard disk resiliency successfully recovered drive 'Path'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Virtual hard disk resiliency successfully recovered drive 'Path'. Current status: Status. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Path UnicodeString
Status UInt32NTSTATUS reference

Event ID 12635: 'VmName': Virtual hard disk 'Path' received a resiliency status notification

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Virtual hard disk 'Path' received a resiliency status notification. Current status: Status. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Path UnicodeString
Status UInt32NTSTATUS reference

Event ID 12636: 'VmName': Virtual hard disk 'Path' has detected a critical error

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Virtual hard disk 'Path' has detected a critical error. Current status: Status. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Path UnicodeString
Status UInt32NTSTATUS reference

Event ID 12637: 'VmName': Virtual hard disk 'Path' has not yet recovered from a previous error

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Virtual hard disk 'Path' has not yet recovered from a previous error. Current status: Status. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Path UnicodeString
Status UInt32NTSTATUS reference

Event ID 12638: The virtual machine VmName cannot load device Device because there are no mutually supported protocol versions

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

The virtual machine cannot load device because there are no mutually supported protocol versions. The server version is and the client version is (Virtual machine ID ).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Device UnicodeString
ServerVersion UnicodeString
ClientVersion UnicodeString

Event ID 12639: The device Device cannot be loaded because there are no mutually support protocol versions between the server and client

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

The device cannot be loaded because there are no mutually support protocol versions between the server and client.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
Device UnicodeString
ServerVersion UnicodeString
ClientVersion UnicodeString

Event ID 12640: 'VmName': Unsupported attachment Path 'String' in the drive

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Unsupported attachment Path 'String' in the drive. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12641: Unsupported attachment Path 'String' in the drive

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12667: 'VmName': Could not open file 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Could not open file 'String'. It was removed from the drive. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12668: Could not open file 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

Could not open file 'String'. It was removed from the drive.

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12812: 'VmName': Enabling change tracking failed for the drive 'String'

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': Enabling change tracking failed for the drive 'String'. (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Event ID 12817: 'VmName': An unrecoverable I/O error occurred on drive 'String' at boot time

#
Channel
Operational, Microsoft-Windows-Hyper-V-Worker-Admin

Description

'VmName': An unrecoverable I/O error occurred on drive 'String' at boot time. The virtual machine will fail to boot. Error: 'ErrorCode' ('ErrorCodeString') (Virtual machine ID VmId).

Fields #

NameDescription
VmName UnicodeString
VmId UnicodeString
String UnicodeString
ErrorCodeString UnicodeString
ErrorCode UInt32
Param1 UnicodeString
Param2 UnicodeString

Provenance

ETW provider GUID 86e15e01-edf1-4ac7-89cf-b19563fd6894

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

  • 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