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Win32_MappedLogicalDisk class

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The Win32_MappedLogicalDisk WMI class represents network storage devices that are mapped as logical disks on the computer system.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties. Properties and methods are in alphabetic order, not MOF order.

Syntax

[Dynamic, Provider("CIMWin32"), UUID("{BCF02FFE-5560-4de2-B419-272918693426}"), AMENDMENT]
class Win32_MappedLogicalDisk : CIM_LogicalDisk
{
  uint16   Access;
  uint16   Availability;
  uint64   BlockSize;
  string   Caption;
  boolean  Compressed;
  uint32   ConfigManagerErrorCode;
  boolean  ConfigManagerUserConfig;
  string   CreationClassName;
  string   Description;
  string   DeviceID;
  boolean  ErrorCleared;
  string   ErrorDescription;
  string   ErrorMethodology;
  string   FileSystem;
  uint64   FreeSpace;
  datetime InstallDate;
  uint32   LastErrorCode;
  uint32   MaximumComponentLength;
  string   Name;
  uint64   NumberOfBlocks;
  string   PNPDeviceID;
  uint16   PowerManagementCapabilities[];
  boolean  PowerManagementSupported;
  string   ProviderName;
  string   Purpose;
  boolean  QuotasDisabled;
  boolean  QuotasIncomplete;
  boolean  QuotasRebuilding;
  string   SessionID;
  uint64   Size;
  string   Status;
  uint16   StatusInfo;
  boolean  SupportsDiskQuotas;
  boolean  SupportsFileBasedCompression;
  string   SystemCreationClassName;
  string   SystemName;
  string   VolumeName;
  string   VolumeSerialNumber;
};

Members

The Win32_MappedLogicalDisk class has these types of members:

Methods

The Win32_MappedLogicalDisk class has these methods.

Method Description
Reset Not implemented. To implement this method, see the Reset method in CIM_LogicalDisk.
SetPowerState Not implemented. To implement this method, see the SetPowerState method in CIM_LogicalDisk.

Properties

The Win32_MappedLogicalDisk class has these properties.

Access

Data type: uint16

Access type: Read-only

Device access state.

This property is inherited from CIM_StorageExtent.

Unknown (0)

Readable (1)

Writeable (2)

Read/Write Supported (3)

Write Once (4)

Availability

Data type: uint16

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.5", "MIB.IETF|HOST-RESOURCES-MIB.hrDeviceStatus")

Availability and status of the device.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Running/Full Power (3)

Running or Full Power

Warning (4)

In Test (5)

Not Applicable (6)

Power Off (7)

Off Line (8)

Offline

Off Duty (9)

Degraded (10)

Not Installed (11)

Install Error (12)

Power Save - Unknown (13)

The device is known to be in a power save mode, but its exact status is unknown.

Power Save - Low Power Mode (14)

The device is in a power save state but still functioning and can exhibit degraded performance.

Power Save - Standby (15)

The device is not functioning, but can be brought to full power quickly.

Power Cycle (16)

Power Save - Warning (17)

The device is in a warning state, though also in a power save mode.

Paused (18)

The device is paused.

Not Ready (19)

The device is not ready.

Not Configured (20)

The device is not configured.

Quiesced (21)

The device is quiet.

BlockSize

Data type: uint64

Access type: Read-only

Qualifiers: MappingStrings ("MIB.IETF|HOST-RESOURCES-MIB.hrStorageAllocationUnits"), Units ("bytes")

Size, in bytes, of the blocks that form this storage extent. If this concept is not valid for the device type, the value is 1.

This property is inherited from CIM_StorageExtent.

For more information about using uint64 values in scripts, see Scripting in WMI.

Caption

Data type: string

Access type: Read-only

Qualifiers: MaxLen (64), DisplayName ("Caption")

Short description of the object.

This property is inherited from CIM_ManagedSystemElement.

Compressed

Data type: boolean

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation|FS_VOL_IS_COMPRESSED")

If True, the file is compressed.

ConfigManagerErrorCode

Data type: uint32

Access type: Read-only

Qualifiers: Schema ("Win32")

Windows Configuration Manager error code.

This property is inherited from CIM_LogicalDevice.

This device is working properly. (0)

Device is working properly.

This device is not configured correctly. (1)

Device is not configured correctly.

Windows cannot load the driver for this device. (2)

The driver for this device might be corrupted, or your system may be running low on memory or other resources. (3)

Driver for this device might be corrupted, or the system may be low on memory or other resources.

This device is not working properly. One of its drivers or your registry might be corrupted. (4)

Device is not working properly. One of its drivers or the registry might be corrupted.

The driver for this device needs a resource that Windows cannot manage. (5)

Driver for the device requires a resource that Windows cannot manage.

The boot configuration for this device conflicts with other devices. (6)

Boot configuration for the device conflicts with other devices.

Cannot filter. (7)

The driver loader for the device is missing. (8)

Driver loader for the device is missing.

This device is not working properly because the controlling firmware is reporting the resources for the device incorrectly. (9)

Device is not working properly. The controlling firmware is incorrectly reporting the resources for the device.

This device cannot start. (10)

Device cannot start.

This device failed. (11)

Device failed.

This device cannot find enough free resources that it can use. (12)

Device cannot find enough free resources to use.

Windows cannot verify this device's resources. (13)

Windows cannot verify the device's resources.

This device cannot work properly until you restart your computer. (14)

Device cannot work properly until the computer is restarted.

This device is not working properly because there is probably a re-enumeration problem. (15)

Device is not working properly due to a possible re-enumeration problem.

Windows cannot identify all the resources this device uses. (16)

Windows cannot identify all of the resources that the device uses.

This device is asking for an unknown resource type. (17)

Device is requesting an unknown resource type.

Reinstall the drivers for this device. (18)

Device drivers must be reinstalled.

Failure using the VxD loader. (19)

Your registry might be corrupted. (20)

Registry might be corrupted.

System failure: Try changing the driver for this device. If that does not work, see your hardware documentation. Windows is removing this device. (21)

System failure. If changing the device driver is ineffective, see the hardware documentation. Windows is removing the device.

This device is disabled. (22)

Device is disabled.

System failure: Try changing the driver for this device. If that doesn't work, see your hardware documentation. (23)

System failure. If changing the device driver is ineffective, see the hardware documentation.

This device is not present, is not working properly, or does not have all its drivers installed. (24)

Device is not present, not working properly, or does not have all of its drivers installed.

Windows is still setting up this device. (25)

Windows is still setting up the device.

Windows is still setting up this device. (26)

Windows is still setting up the device.

This device does not have valid log configuration. (27)

Device does not have a valid log configuration.

The drivers for this device are not installed. (28)

Device drivers are not installed.

This device is disabled because the firmware of the device did not give it the required resources. (29)

Device is disabled. The device firmware did not provide the required resources.

This device is using an Interrupt Request (IRQ) resource that another device is using. (30)

Device is using an IRQ resource that another device is using.

This device is not working properly because Windows cannot load the drivers required for this device. (31)

Device is not working properly. Windows cannot load the required device drivers.

ConfigManagerUserConfig

Data type: boolean

Access type: Read-only

Qualifiers: Schema ("Win32")

If True, the device is using a user-defined configuration.

This property is inherited from CIM_LogicalDevice.

CreationClassName

Data type: string

Access type: Read-only

Qualifiers: CIM_Key

Name of the first concrete class to appear in the inheritance chain used in the creation of an instance. When used with the other key properties of the class, this property allows all instances of this class and its subclasses to be uniquely identified.

This property is inherited from CIM_LogicalDevice.

Description

Data type: string

Access type: Read-only

Qualifiers: DisplayName ("Description")

Description of the object.

This property is inherited from CIM_ManagedSystemElement.

DeviceID

Data type: string

Access type: Read-only

Qualifiers: Key, Override ("DeviceId"), MappingStrings ("WMI")

Unique identifier of the memory array.

This property is inherited from CIM_LogicalDevice.

Example: "Memory Array 1"

ErrorCleared

Data type: boolean

Access type: Read-only

If True, the error reported in LastErrorCode is now cleared.

This property is inherited from CIM_LogicalDevice.

ErrorDescription

Data type: string

Access type: Read-only

More information about the error recorded in LastErrorCode, and information on any corrective actions that can be taken.

This property is inherited from CIM_LogicalDevice.

ErrorMethodology

Data type: string

Access type: Read-only

Types of error checking used by the hardware.

This property is inherited from CIM_StorageExtent.

FileSystem

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|File System FunctionsGetVolumeInformation)

Access type: Read-only

File system on the logical disk.

Example: "NTFS"

FreeSpace

Data type: uint64

Access type: Read-only

Qualifiers: units ("bytes")

Space available on the logical disk.

This property is inherited from CIM_LogicalDisk.

For more information about using uint64 values in scripts, see Scripting in WMI.

InstallDate

Data type: datetime

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|ComponentID|001.5"), DisplayName ("Install Date")

Access type: Read-only

Date and time the object was installed. This property does not require a value to indicate that the object is installed.

This property is inherited from CIM_ManagedSystemElement.

LastErrorCode

Data type: uint32

Access type: Read-only

Last error code reported by the logical device.

This property is inherited from CIM_LogicalDevice.

MaximumComponentLength

Data type: uint32

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|File System FunctionsGetVolumeInformation)

Contains the maximum length of a file-name component supported by the Windows drive.

Example: 255

Name

Data type: string

Access type: Read-only

Qualifiers: DisplayName ("Name")

Object label.

This property is inherited from CIM_ManagedSystemElement.

NumberOfBlocks

Data type: uint64

Access type: Read-only

Qualifiers: MappingStrings ("MIB.IETF|HOST-RESOURCES-MIB.hrStorageSize")

Total number of consecutive blocks, each block the size of the value contained in the BlockSize property, which form this storage extent. Total size of the storage extent can be calculated by multiplying the value of the BlockSize property by the value of this property. If the value of BlockSize is 1, this property is the total size of the storage extent.

This property is inherited from CIM_StorageExtent.

For more information about using uint64 values in scripts, see Scripting in WMI.

PNPDeviceID

Data type: string

Access type: Read-only

Qualifiers: Schema ("Win32")

Windows Plug and Play device identifier of the logical device.

This property is inherited from CIM_LogicalDevice.

Example: "*PNP030b"

PowerManagementCapabilities

Data type: uint16 array

Access type: Read-only

Array of the specific power-related capabilities of a logical device.

This property is inherited from CIM_LogicalDevice.

Unknown (0)

Not Supported (1)

Disabled (2)

Enabled (3)

The power management features are currently enabled but the exact feature set is unknown or the information is unavailable.

Power Saving Modes Entered Automatically (4)

The device can change its power state based on usage or other criteria.

Power State Settable (5)

The SetPowerState method is supported. This method is found on the parent CIM_LogicalDevice class and can be implemented. For more information, see Designing Managed Object Format (MOF) Classes.

Power Cycling Supported (6)

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle).

Timed Power On Supported (7)

Timed Power-On Supported

The SetPowerState method can be invoked with the PowerState parameter set to 5 (Power Cycle) and Time set to a specific date and time, or interval, for power-on.

PowerManagementSupported

Data type: boolean

Access type: Read-only

If True, the device can be power-managed (can be put into suspend mode, and so on). The property does not indicate that power management features are currently enabled, only that the logical device is capable of power management.

This property is inherited from CIM_LogicalDevice.

ProviderName

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|Windows Networking Functions|WNetGetConnection")

Network path name to the logical device.

Purpose

Data type: string

Access type: Read-only

Free-form string that describes the media and its use.

This property is inherited from CIM_StorageExtent.

QuotasDisabled

Data type: boolean

Access type: Read-only

If True, quota management is not enabled for this volume.

QuotasIncomplete

Data type: boolean

Access type: Read-only

If True, quota management was used but has been disabled. Incomplete refers to the information left in the file system after quota management has been disabled.

QuotasRebuilding

Data type: boolean

Access type: Read-only

If True, the file system is setting up for quota management.

SessionID

Data type: string

Access type: Read-only

Qualifiers: Key

ID of the user's session. The user may be connected using a local login or a terminal session.

Size

Data type: uint64

Access type: Read-only

Qualifiers: units ("bytes")

Size of the logical disk.

For more information about using uint64 values in scripts, see Scripting in WMI.

This property is inherited from CIM_LogicalDisk.

Status

Data type: string

Access type: Read-only

Qualifiers: MaxLen (10), DisplayName ("Status")

Current status of the object. Various operational and nonoperational statuses can be defined. Operational statuses include: "OK", "Degraded", and "Pred Fail" (an element, such as a SMART-enabled hard disk drive may function properly, but predicts a failure in the near future). Nonoperational statuses include: "Error", "Starting", "Stopping", and "Service". The Service status applies to administrative work, such as mirror-resilvering of a disk, reload of a user permissions list, or other administrative work. Not all such work is online, but the managed element is neither "OK" nor in one of the other states.

This property is inherited from CIM_ManagedSystemElement.

The values are:

OK ("OK")

Error ("Error")

Degraded ("Degraded")

Unknown ("Unknown")

Pred Fail ("Pred Fail")

Starting ("Starting")

Stopping ("Stopping")

Service ("Service")

Stressed ("Stressed")

NonRecover ("NonRecover")

No Contact ("No Contact")

Lost Comm ("Lost Comm")

StatusInfo

Data type: uint16

Access type: Read-only

Qualifiers: MappingStrings ("MIF.DMTF|Operational State|003.3")

State of the logical device. If this property does not apply to the logical device, the value 5 (Not Applicable) should be used.

This property is inherited from CIM_LogicalDevice.

Other (1)

Unknown (2)

Enabled (3)

Disabled (4)

Not Applicable (5)

SupportsDiskQuotas

Data type: boolean

Access type: Read-only

If True, then the file system on which this network drive is mapped supports disk quotas.

SupportsFileBasedCompression

Data type: boolean

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|File System Functions|GetVolumeInformation|FS_FILE_COMPRESSION")

If True, the logical disk partition supports file-based compression, such as is the case with NTFS. This property is False, when the Compressed property is True.

SystemCreationClassName

Data type: string

Access type: Read-only

Qualifiers: Propagated ("CIM_System.CreationClassName"), CIM_Key

Value of the scoping computer's CreationClassName property.

This property is inherited from CIM_LogicalDevice.

SystemName

Data type: string

Access type: Read-only

Qualifiers: Propagated ("CIM_System.Name"), CIM_Key

Name of the scoping system.

This property is inherited from CIM_LogicalDevice.

VolumeName

Data type: string

Access type: Read/write

Qualifiers: MappingStrings ("Win32API|File System FunctionsGetVolumeInformation)

Volume name of the logical disk. This property value can have a maximum of 32 characters.

VolumeSerialNumber

Data type: string

Access type: Read-only

Qualifiers: MappingStrings ("Win32API|File System FunctionsGetVolumeInformation)

Volume serial number of the logical disk. This property value can have a maximum of 11 characters.

This property is inherited from CIM_LogicalDevice.

Example: "A8C3-D032"

Remarks

The instances returned for this class are as follows, supposing that user A is enumerating the instances:

  • The provider looks for a logon session of user A on that machine:

    • If there is one (and only one) such logon session, then the provider returns the mapped drives of that session.
    • If there is more than one session for user A on the machine, then no mapped drive instances are returned (because the provider has no reasonable way of deciding which session to use).

  • If there are no sessions of user A running, and there is a locally logged on user B:

    • If there is a single session for user B, then the provider impersonates A and returns the mapped drives of user B. This case supports the scenario of Helpdesk wanting to see the instances of a locally logged on user. However, whether instances are returned depends on the Local Security Policy settings in the Control Panel Administrative Tools. If the following policy is set to "Object Creator", then no mapped drive instances are returned, even if A is a member of the Administrators group:

      "System object: default owner for objects created by members of the administrators group."

    • Again, if there is more than one session of user B running on the machine, then the provider has no way of deciding which to use. In this case, no mapped drive instances are returned.

For more information on using Win32_MappedLogicalDisk, see How Can I Determine Which Drives are Mapped to Network Shares?

Examples

The following PowerShell snippet shows mapped drives.

Get-WmiObject Win32_MappedLogicalDisk | Select Name, ProviderName, FileSystem, Size, FreeSpace | Format-Table

Requirements

Requirement Value
Minimum supported client
 Windows Vista
Minimum supported server
 Windows Server 2008
Namespace
 Root\CIMV2
MOF
CIMWin32.mof
DLL
CIMWin32.dll

See also

CIM_LogicalDisk

Computer System Hardware Classes

WMI Tasks: Disks and File Systems