[MS-VDS]: Virtual Disk Service (VDS) Protocol Specification

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Supported operating system versionIVdsDiskPartitionMF X X XIVdsDiskPartitionMF2XIVdsVolumeMF2 X X XIVdsVolumeMF3XIVdsVolumeShrink X X XIVdsVolumeOnlineXIVdsHwProvider X X X X XIVdsServiceLoader X X X X XIVdsSubSystemImportTargetX X X XThe following list provides a brief overview of the functionality available for managing disks andvolumes after the initial release of the Virtual Disk Service Remote Protocol in WindowsServer 2003:IVdsAdvancedDisk2 extends IVdsAdvancedDisk with new functionality that is related tochanging a partition type.IVdsServiceUninstallDisk contains new functionality that is related to uninstalling disks and thevolumes that are contained on those disks.IVdsPack2 extends IVdsPack with new functionality that is related to creating aligned volumes.IVdsDisk2 extends IVdsDisk with new functionality that is related to bringing disks online andoffline in clustered and other scenarios.IVdsDisk3 extends IVdsDisk with new functionality that is related to detecting the BIOS 0 disk orsystem disk. This allows a client to find the disk that will be used at boot as the system disk (hoststhe system partition on MBR disks or the ESP for GPT disks). Also, IVdsDisk3 extends IVdsDiskwith functionality to return the list of free extents associated with a disk and to align those extents.The output of this method is useful as input when creating partitions and volumes.IVdsVolume2 extends IVdsVolume with new functionality that is related to volume properties.IVdsVolumeMF2 extends IVdsVolumeMF with new functionality that is related to file systems.IVdsVolumeMF3 extends IVdsVolumeMF with new functionality that is related to file systems.IVdsDiskPartitionMF contains new functionality that is related to file systems.IVdsDiskPartitionMF2 contains a new format method that allows the user to specify metadataduplication when formatting as UDF.IVdsVolumeShrink contains new functionality that is related to shrinking volumes.IVdsVolumeOnline contains new functionality that is related to bringing volumes back to a healthystate.[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011336 / 360
Interfaces that are used when querying HBA and iSCSI initiator information.The following table lists, by operating system version, the interfaces that are used when queryingHBA and iSCSI initiator information.Supported operating system versionInterfaceWindowsServer 2003WindowsServer 2003R2Windows VistaWindowsServer 2008IVdsServiceHba X X XIVdsServiceIscsi X X XIVdsHbaPort X X XIVdsIscsiInitiatorAdapter X X XIVdsIscsiInitiatorPortal X X X Section 2.1: Windows configures the underlying RPC transport by using the following flags. Formore information on the meaning of these flags, see [C706] and [MS-RPCE].•RPC_C_AUTHN_LEVEL_PKT_PRIVACY•RPC_C_IMP_LEVEL_IDENTIFY•EOAC_SECURE_REFS | EOAC_NO_CUSTOM_MARSHAL Section 2.1: The authorization constraints in Windows do not vary by operating systemrelease. All interfaces that are described in this document require an access level that correspondsto any of the following Windows security groups:•Administrators•Backup Operators•SYSTEM•The VDS Remote Protocol works only when the client and the server are on the same domain,or in domains that have a trust relationship with one another.•The VDS Remote Protocol does NOT work when client and server are on a workgroup; serverthrows ACCESS_DENIED error. Section 2.2.1.2.2: Windows does not currently send this notification under any circumstance,but may do so in future releases. Section 2.2.1.2.12: This enumeration type is used only in Windows Vista and WindowsServer 2008. Section 2.2.1.2.22: No Win32 API path names are created. Win32 APIs such asFindFirstVolume and FindNextVolume do not enumerate this volume. Section 2.2.1.2.23: The flag is set by default for dynamic disk and basic GPT disk volumes.VDS_VF_HIDDEN, VDF_VF_READ_ONLY, VDS_VF_SHADOW_COPY andVDS_VF_NO_DEFAULT_DRIVE_LETTER are set as follows:[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011337 / 360
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Revision SummaryDateRevisionHistory
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Contents1 Introduction ............
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2.2.2.6.1 Enumerations ............
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3.1.12.2 IVdsDisk2 Interface ......
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3.4.5.2.6.2 IVdsServiceUninstallDis
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3.4.5.2.32.3 IVdsVolumeMF::AddAcces
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1 IntroductionThe Virtual Disk Serv
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volume managervolume plexThe follow
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virtual disk: A disk that does not
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Note There is a charge to download
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1.4 Relationship to Other Protocols
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Parameter Value ReferenceRPC interf
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2 MessagesThe following sections sp
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VDS_H_FAILING_REDUNDANCY: One or mo
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VDS_ASYNCOUT_CREATEPARTITION: Infor
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VDSStorageIdTypeVendorSpecific = 0x
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VDS_FSF_ALLOCATION_UNIT_8K = 0x0010
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VDS_DET_OEM: The extent belongs to
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VDS_ESOF_QUICK: Determines whether
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2.2.1.2.21 VDS_LUN_RESERVE_MODEThe
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VDS_VF_NOT_FORMATTABLE: If set, the
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ValueVDS_NF_DISK_ARRIVE0x00000008VD
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wcLetter: The drive letter that tri
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2.2.1.3.10 VDS_ASYNC_OUTPUTThe VDS_
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Value0x4000000000000000GPT_BASIC_DA
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m_bCommandQueueing: A Boolean value
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diskId: The VDS object ID of the di
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MbrPartInfo: Contains information f
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VDS_OT_DISK: The object is a disk.V
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typedef struct _VDS_DRIVE_LETTER_PR
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pSharedSecret: A pointer to an arra
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Corresponding HBA_PORTSTATE value:
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wwnNode: The node WWN for the HBA p
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2.2.2.6.2.2 VDS_ISCSI_INITIATOR_POR
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unsigned long ulFlags;unsigned long
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2.2.2.9.1 Structures2.2.2.9.1.1 VDS
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pwszAdaptorName: The null-terminate
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ValueRemovableMedia0x0000000BFixedM
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style: The value from the VDS_PARTI
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ulFlags: The combination of any val
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VDS_VPT_SPAN = 0x0000000B,VDS_VPT_S
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allocated as the backing store for
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VDS_VST_DETACH_PENDING: The virtual
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} DEPENDENT_DISK_FLAG;DEPENDENT_DIS
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VirtualDeviceType: A pointer to a V
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additional information about the re
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Return value/code0x80042423VDS_E_PR
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Return value/codeDescriptionVDS_E_P
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Return value/codeDescriptionwhen th
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Return value/code0x8004251BVDS_E_VO
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Return value/codeVDS_E_DISK_LAYOUT_
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Return value/code0x80042566VDS_E_IN
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Return value/code0x80042588VDS_E_VO
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Return value/codeVDS_E_ASSOCIATED_P
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Return value/code0x80042815VDS_E_VO
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Return value/code0x8004290AVDS_E_IS
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Return value/code0x80042924VDS_E_RA
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3 Protocol DetailsThe following sec
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ParameterRPC interface UUID forIVds
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Objects can be HBA ports, initiator
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3.1.5 Service Object InterfacesThis
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Methods in RPC Opnum OrderMethodGet
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Methods in RPC Opnum OrderMethodGet
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MethodGetPropertiesDescriptionRetri
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MethodDescriptionOpnum: 3SetImportT
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MethodQueryExtentsConvertStyleSetFl
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All methods MUST NOT throw exceptio
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All methods MUST NOT throw exceptio
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MethodDescriptionOpnum: 3FormatAddA
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3.1.13.7 IVdsVolumeOnline Interface
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MethodDescriptionOpnum: 6MergeExpan
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Virtual Disk Providers and Virtual
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For a VDS_DISK_EXTENT or VDS_DISK_F
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3.2.1.4 DisksIVdsAdvancedDisk::GetP
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pointer to the virtual disk object
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3.3.2 TimersNone.3.3.3 Initializati
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3.4.1.1 Service ObjectThe service o
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•If the disk is a removable drive
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When the client calls a method to r
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•If the signal state is TRUE and
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3.4.5.1.3 Adding Disk ObjectsThe se
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3.4.5.1.4 Removing Disk ObjectsThe
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whether a basic, dynamic, or unallo
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If S_FALSE is returned, the client
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•Set the list of objects in the n
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•Set the pHrResult output paramet
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When the server receives this messa
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wcFirstLetter: The first drive lett
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Result of requeryAction server MUST
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ulFlags: A value from the VDS_SERVI
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pDiskIdArray: A pointer to an array
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3.4.5.2.8.2 IVdsServiceIscsi::Query
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HRESULT GetProperties([out] VDS_HBA
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Return Values: The method MUST retu
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VirtualDeviceType: Pointer to a VIR
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HRESULT GetDiskFromVDisk([in] IVdsV
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3.4.5.2.18 IVdsPack Methods3.4.5.2.
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3.4.5.2.18.5 IVdsPack::CreateVolume
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The server MUST update the percenta
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•Return an HRESULT indicating fai
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•objectType member is the value V
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[out] IVdsPack** ppPack);ppPack: A
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Clients cannot change the partition
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ERROR_SUCCESS (0x00000000)When the
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HRESULT QueryPartitions([out, size_
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•For each callback object that is
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3.4.5.2.23.7 IVdsAdvancedDisk::Dele
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Note This method is not valid on CD
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•objectType member is VDS_NTT_VOL
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•ullOffset is the byte offset at
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eginning of the disk that ullOffset
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usFileSystemRevision: A 16-bit, bin
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HRESULT FormatPartitionEx2([in] ULO
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•Set the signal state in the asyn
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•Create a new async object implem
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If the volume resides on a basic di
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•Delete all volume plexes in the
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•For each callback object registe
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If the volume is associated with a
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The server MUST then perform the fo
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•Verify that plNumberOfAccessPath
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HRESULT Mount();This method has no
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HRESULT GetFileSystemTypeName([out,
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•Return an HRESULT indicating fai
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•Allocate a buffer to hold the vo
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•Verify that ullDesiredNumberOfRe
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•Verify that ppVolume is not NULL
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•Search all software providers fo
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ProviderSpecificFlags: Flags specif
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For example, to merge a differencin
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At any point in the preceding seque
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•objectType member is VDS_NTT_FIL
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•Volume member is a VDS_VOLUME_NO
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Figure 2: Client starting a VDS ses
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4.1.2 Ending SessionsThe following
Page 286 and 287: 2. The server determines that the c
Page 288 and 289: Figure 8: Retrieving the properties
Page 290 and 291: 8. When the format operation comple
Page 292 and 293: wprintf( L" Volume Id: %s\n", buffe
Page 294 and 295: 6 Appendix A: Full IDLFor ease of i
Page 296 and 297: VDSBusTypeiScsi = 0x00000009,VDSBus
Page 298 and 299: } VDS_VOLUME_TYPE;typedef enum _VDS
Page 300 and 301: VDS_OBJECT_IDULONGLONG} VDS_PARTITI
Page 302 and 303: typedef struct _VDS_STORAGE_DEVICE_
Page 304 and 305: } GptPartInfo;[default];};} CREATE_
Page 306 and 307: VDS_PS_UNKNOWN = 0x00000000,VDS_PS_
Page 308 and 309: typedef struct _VDS_FILE_SYSTEM_TYP
Page 310 and 311: typedef struct _VDS_PACK_PROP{VDS_O
Page 312 and 313: OPEN_VIRTUAL_DISK_FLAG_NO_PARENTS =
Page 314 and 315: );[out] unsigned long *pcFetched[he
Page 316 and 317: HRESULT QueryFileSystemTypes([out,
Page 318 and 319: *pInitiatorSharedSecret,[in] VDS_OB
Page 320 and 321: }[]HRESULT CreatePack([out] IVdsPac
Page 322 and 323: HRESULT CreateVolume([in] VDS_VOLUM
Page 324 and 325: [object,uuid(8F4B2F5D-EC15-4357-992
Page 326 and 327: uuid(9882f547-cfc3-420b-9750-00dfbe
Page 328 and 329: );[helpstring("method QueryPlexes")
Page 330 and 331: );[helpstring("method Mount")]HRESU
Page 332 and 333: [object,uuid(4daa0135-e1d1-40f1-aaa
Page 334 and 335: 7 Appendix B: Product BehaviorThe i
Page 338 and 339: •Dynamic disk volumes - The flag
Page 340 and 341: overwritten with "UDF". The first e
Page 342 and 343: Section 3.1.7.1: This interface is
Page 344 and 345: Section 3.4.5.2.18.5: The Windows i
Page 346 and 347: On Windows Server 2003, Windows Ser
Page 348 and 349: incorrectly returns 0 in the pulPer
Page 350 and 351: Section 3.4.5.2.38.3: Windows does
Page 352 and 353: •Protocol syntax updated due to p
Page 354 and 355: IVdsVolumeMF (section 2.2.2.15 81,
Page 356 and 357: enumerations 70interface 130methods
Page 358 and 359: PVDS_REPARSE_POINT_PROP 81PVDS_VDIS
Page 360: VDS_SERVICE_NOTIFICATION structure
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[MS-VDS]: Virtual Disk Service (VDS) Protocol Specification

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