Microsoft-Windows-Hyper-V-VMSP

10 events across 3 channels

EventTitleChannel
1[.Microsoft-Windows-Hyper-V-VMSP-Debug
1[VmId] FunctionName -Operational
2[.Microsoft-Windows-Hyper-V-VMSP-Debug
2[VmId] FunctionName -Operational
3[.Microsoft-Windows-Hyper-V-VMSP-Debug
3[VmId] FunctionName -Operational
4VMSP accepted the cached key protector for VM [VmId] because the policy last …Microsoft-Windows-Hyper-V-VMSP-Admin
4VMSP accepted the cached key protector for VM [VmId] because the policy last …Operational
5VMSP rejected the cached key protector for VM [VmId] because the policy last …Microsoft-Windows-Hyper-V-VMSP-Admin
5VMSP rejected the cached key protector for VM [VmId] because the policy last …Operational

Event ID 1: [.

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Microsoft-Windows-Hyper-V-VMSP-Debug

Message #

[%1] %2 - %3

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 1: [VmId] FunctionName -

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Operational

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 2: [.

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Microsoft-Windows-Hyper-V-VMSP-Debug

Message #

[%1] %2 - %3

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 2: [VmId] FunctionName -

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Operational

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 3: [.

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Microsoft-Windows-Hyper-V-VMSP-Debug

Message #

[%1] %2 - %3

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 3: [VmId] FunctionName -

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Operational

Fields #

NameDescription
VmId UnicodeString
FunctionName UnicodeString
EventData UnicodeString

Event ID 4: VMSP accepted the cached key protector for VM [VmId] because the policy last returned by the Host Guardian Service (HGS) permits offline mode.

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Microsoft-Windows-Hyper-V-VMSP-Admin

Description

VMSP accepted the cached key protector for VM [VmId] because the policy last returned by the Host Guardian Service (HGS) permits offline mode.

Message #

VMSP accepted the cached key protector for VM [%1] because the policy last returned by the Host Guardian Service (HGS) permits offline mode.

Fields #

NameDescription
VmId UnicodeString

Event ID 4: VMSP accepted the cached key protector for VM [VmId] because the policy last returned by the Host Guardian Service (HGS) permits offline mode

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Operational

Description

VMSP accepted the cached key protector for VM [] because the policy last returned by the Host Guardian Service (HGS) permits offline mode.

Fields #

NameDescription
VmId UnicodeString

Event ID 5: VMSP rejected the cached key protector for VM [VmId] because the policy last returned by the Host Guardian Service (HGS) does not permit offline mode.

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Microsoft-Windows-Hyper-V-VMSP-Admin

Description

VMSP rejected the cached key protector for VM [] because the policy last returned by the Host Guardian Service (HGS) does not permit offline mode. VM [] cannot be started unless HGS can be reached.

Message #

VMSP rejected the cached key protector for VM [%1] because the policy last returned by the Host Guardian Service (HGS) does not permit offline mode.  VM [%1] cannot be started unless HGS can be reached.

Fields #

NameDescription
VmId UnicodeString

Event ID 5: VMSP rejected the cached key protector for VM [VmId] because the policy last returned by the Host Guardian Service (HGS) does not permit offline mode

#
Provider
Microsoft-Windows-Hyper-V-VMSP
Channel
Operational

Description

VMSP rejected the cached key protector for VM [] because the policy last returned by the Host Guardian Service (HGS) does not permit offline mode. VM [] cannot be started unless HGS can be reached.

Fields #

NameDescription
VmId UnicodeString

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 1ceb22b1-97ff-4703-beb2-333eb89b522a

Defined in vmsp.exe, which carries the event manifest.

Observed on:

  • Win11-26200.6584 · schema read from the registered manifest · binary version 10.0.26100.1 · captured 2026-06-02

Downloads

Credits

  • Microsoft - authored the ETW manifests and PDBs the schema comes from
  • jdu2600 - the event-schema TSV format this catalog adopted
  • nasbench - the tool that dumps registered providers and manifests