Msvm_TimeSyncComponent class

Article
01/07/2021

Represents the state of the time synchronization service, which is responsible for synchronizing the system time of a virtual machine with the system time of the operating system running in the management operating system.

The following syntax is simplified Managed Object Format (MOF) code, and it includes all of the inherited properties.

Syntax

[Dynamic, Provider("VmmsWmiInstanceAndMethodProvider"), AMENDMENT]
class Msvm_TimeSyncComponent : CIM_LogicalDevice
{
  string   InstanceID;
  string   Caption = "Time Synchronization";
  string   Description = "Microsoft Time Synchronization Service";
  string   ElementName = "Time Synchronization";
  datetime InstallDate;
  string   Name = "Time Synchronization";
  uint16   OperationalStatus[] = { 2 };
  string   StatusDescriptions[] = {"OK"};
  string   Status;
  uint16   HealthState = 5;
  uint16   CommunicationStatus;
  uint16   DetailedStatus;
  uint16   OperatingStatus;
  uint16   PrimaryStatus;
  uint16   EnabledState = 2;
  string   OtherEnabledState;
  uint16   RequestedState = 12;
  uint16   EnabledDefault = 7;
  datetime TimeOfLastStateChange;
  uint16   AvailableRequestedStates[];
  uint16   TransitioningToState = 12;
  string   SystemCreationClassName = "Msvm_ComputerSystem";
  string   SystemName;
  string   CreationClassName = "Msvm_TimeSyncComponent";
  string   DeviceID;
  boolean  PowerManagementSupported;
  uint16   PowerManagementCapabilities[];
  uint16   Availability = 6;
  uint16   StatusInfo;
  uint32   LastErrorCode;
  string   ErrorDescription;
  boolean  ErrorCleared;
  string   OtherIdentifyingInfo[];
  uint64   PowerOnHours;
  uint64   TotalPowerOnHours;
  string   IdentifyingDescriptions[];
  uint16   AdditionalAvailability[] = {6};
  uint64   MaxQuiesceTime;
};

Members

The Msvm_TimeSyncComponent class has these types of members:

Methods
Properties

Methods

The Msvm_TimeSyncComponent class has these methods.

Method	Description
EnableDevice	This method is not supported.
OnlineDevice	This method is not supported.
QuiesceDevice	This method is not supported.
RequestStateChange	Requests a state change.
Reset	Resets the component.
RestoreProperties	This method is not supported.
SaveProperties	This method is not supported.
SetPowerState	This method is not supported.

Properties

The Msvm_TimeSyncComponent class has these properties.

AdditionalAvailability

Data type: uint16 array
Access type: Read-only

Any additional availability and status of the device. This property is inherited from CIM_LogicalDevice, and it is always set to 6 (Not Applicable).

Availability

Data type: uint16
Access type: Read-only

The primary availability and status of the device. This property is inherited from CIM_LogicalDevice.

Value	Meaning
6	Not Applicable

AvailableRequestedStates

Data type: uint16 array
Access type: Read-only

Indicates the possible values for the RequestedState parameter of the RequestStateChange method. This property is inherited from CIM_EnabledLogicalElement, and it is always set to Null.

Caption

Data type: string
Access type: Read-only

A short description of the object. This property is inherited from CIM_ManagedElement.

CommunicationStatus

Data type: uint16
Access type: Read-only

Indicates the ability of the instrumentation to communicate with the underlying managed element. A Null value indicates that this property is not implemented. This property is inherited from CIM_ManagedSystemElement.

Unknown (0)
Not Available (1)
Communication OK (2)
Lost Communication (3)
No Contact (4)
DMTF Reserved (..)
Vendor Reserved (0x8000.. )

CreationClassName

Data type: string
Access type: Read-only

The scoping system's creation class name. This property is inherited from CIM_LogicalDevice.

Description

Data type: string
Access type: Read-only

A description of the object. This property is inherited from CIM_ManagedElement.

DetailedStatus

Data type: uint16
Access type: Read-only

Compliments the PrimaryStatus property with additional status detail. A Null value indicates that this property is not implemented. This property is inherited from CIM_ManagedSystemElement.

Not Available (0)
No Additional Information (1)
Stressed (2)
Predictive Failure (3)
Non-Recoverable Error (4)
Supporting Entity in Error (5)
DMTF Reserved (..)
Vendor Reserved (0x8000.. )

DeviceID

Data type: string
Access type: Read-only

An address or other identifying information to uniquely name the logical device. This property is inherited from CIM_LogicalDevice, and it is always set to "Microsoft:VMGUID\GUID" where VMGUID is the Name property of the Msvm_ComputerSystem instance associated with this device.

ElementName

Data type: string
Access type: Read-only

A display name for the object. This property is inherited from CIM_ManagedElement.

EnabledDefault

Data type: uint16
Access type: Read-only

An administrator's default or startup configuration for the EnabledState of an element. This property is inherited from CIM_EnabledLogicalElement.

Value	Meaning
7	No Default

EnabledState

Data type: uint16
Access type: Read-only

The enabled and disabled states of an element. This property is inherited from CIM_EnabledLogicalElement and is either set to 2 (Enabled) or 3 (Disabled).

Value	Meaning
2	Enabled
3	Disabled

ErrorCleared

Data type: boolean
Access type: Read-only

Indicates whether the error reported in the LastErrorCode property is now cleared. This property is inherited from CIM_LogicalDevice, but it is not used.

ErrorDescription

Data type: string
Access type: Read-only

A string that provides more information about the error recorded in the LastErrorCode property and information about any corrective actions that may be taken. This property is inherited from CIM_LogicalDevice, but it is not used.

HealthState

Data type: uint16
Access type: Read-only

The current health of the element. This property is inherited from CIM_ManagedSystemElement.

Value	Meaning
5	OK

IdentifyingDescriptions

Data type: string array
Access type: Read-only

An array of free-form strings that provide explanations and details behind the entries in the OtherIdentifyingInfo property array. This property is inherited from CIM_LogicalDevice, but it is not used.

InstallDate

Data type: datetime
Access type: Read-only

The date and time that the integration service was installed into the virtual machine. This property is inherited from CIM_ManagedSystemElement.

InstanceID

Data type: string
Access type: Read-only
Qualifiers: Key

Uniquely identifies an instance of this class. This property is inherited from CIM_ManagedElement.

LastErrorCode

Data type: uint32
Access type: Read-only

The last error code reported by the logical device. This property is inherited from CIM_LogicalDevice, but it is not used.

MaxQuiesceTime

Data type: uint64
Access type: Read-only

This property has been deprecated. This property is inherited from CIM_LogicalDevice.

Name

Data type: string
Access type: Read-only

The label by which the object is known. This property is inherited from CIM_ManagedSystemElement.

OperatingStatus

Data type: uint16
Access type: Read-only

Provides current status information for the operational condition of the element and can be used for providing more detail with respect to the value of the EnabledState property. A Null value indicates that this property is not implemented. This property is inherited from CIM_ManagedSystemElement.

Unknown (0)
Not Available (1)
Servicing (2)
Starting (3)
Stopping (4)
Stopped (5)
Aborted (6)
Dormant (7)
Completed (8)
Migrating (9)
Emigrating (10)
Immigrating (11)
Snapshotting (12)
Shutting Down (13)
In Test (14)
Transitioning (15)
In Service (16)
DMTF Reserved (..)
Vendor Reserved (0x8000.. )

OperationalStatus

Data type: uint16 array
Access type: Read-only

The current status of the element. This property is inherited from CIM_ManagedSystemElement.

The following are the possible values for the OperationalStatus[0] property value.

Value	Meaning
{ 2 }
OK 2	The service is operating normally. The OperationalStatus[1] and StatusDescriptions[1] property values may contain more information.
Degraded 3	The service is operating normally but the guest service negotiated a compatible communications protocol version. The OperationalStatus[1] and StatusDescriptions[1] property values may contain more information.
Non-Recoverable Error 7	The guest does not support a compatible protocol version. The OperationalStatus[1] and StatusDescriptions[1] property values may contain more information.
No Contact 12	The guest service is not installed or has not yet been contacted.
Lost Communication 13	The guest service is no longer responding normally.

OtherEnabledState

Data type: string
Access type: Read-only

The enabled or disabled state of the element when the EnabledState property is set to 1 (Other). This property must be set to Null when the EnabledState property is any value other than 1. This property is inherited from CIM_EnabledLogicalElement and is always set to Null.

OtherIdentifyingInfo

Data type: string array
Access type: Read-only

Any additional data, beyond device ID information, that could be used to identify a logical device. This property is inherited from CIM_LogicalDevice and is always set to Null.

PowerManagementCapabilities

Data type: uint16 array
Access type: Read-only

The power management capabilities of the device. This property is inherited from CIM_LogicalDevice, but it is not used.

PowerManagementSupported

Data type: boolean
Access type: Read-only

Indicates whether the device can be power managed. This property is inherited from CIM_LogicalDevice, but it is not used.

PowerOnHours

Data type: uint64
Access type: Read-only

The number of consecutive hours that this device has been powered on since its last power cycle. This property is inherited from CIM_LogicalDevice but is not used.

PrimaryStatus

Data type: uint16
Access type: Read-only

Provides high level status information. This property should be used in conjunction with the DetailedStatus property to provide high level and detailed health status of the element and its subcomponents. A Null value indicates that this property is not implemented. This property is inherited from CIM_ManagedSystemElement.

Unknown (0)
OK (1)
Degraded (2)
Error (3)
DMTF Reserved (..)
Vendor Reserved (0x8000.. )

RequestedState

Data type: uint16
Access type: Read-only

The last requested or desired state for the element. This property is inherited from CIM_EnabledLogicalElement.

Value	Meaning
12	Not Applicable

Status

Data type: string
Access type: Read-only

A string that specifies the current status of the object. This property is inherited from CIM_ManagedSystemElement but is not used.

StatusDescriptions

Data type: string array
Access type: Read-only

Strings that describe the various OperationalStatus array values. This property is inherited from CIM_ManagedSystemElement.

StatusInfo

Data type: uint16
Access type: Read-only

The current state of the logical device. This property is inherited from CIM_LogicalDevice, but it is not used.

SystemCreationClassName

Data type: string
Access type: Read-only

The creation class name of the scoping system. This property is inherited from CIM_LogicalDevice.

SystemName

Data type: string
Access type: Read-only

The name of the scoping system. This property is inherited from CIM_LogicalDevice.

TimeOfLastStateChange

Data type: datetime
Access type: Read-only

The date or time when the enabled state of the element last changed. This property is inherited from CIM_EnabledLogicalElement, and it is always set to Null.

TotalPowerOnHours

Data type: uint64
Access type: Read-only

The total number of hours that this device has been powered. This property is inherited from CIM_LogicalDevice, but it is not used.

TransitioningToState

Data type: uint16
Access type: Read-only

Indicates the target state to which the instance is transitioning. This property is inherited from CIM_EnabledLogicalElement.

Value	Meaning
12	Not Applicable

Remarks

Access to the Msvm_TimeSyncComponent class might be restricted by UAC Filtering. For more information, see User Account Control and WMI.

Requirements

Requirement	Value
Minimum supported client	Windows 8 [desktop apps only]
Minimum supported server	Windows Server 2012 [desktop apps only]
Namespace	Root\Virtualization\V2
MOF	WindowsVirtualization.V2.mof
DLL	Vmms.exe

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