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

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•Search all software providers for the volume object on which the virtual disk file resides.•If the volume object is found, ppVolume MUST be set to the IVdsVolume interface exposed bythe volume and MUST return the value of zero; if the volume object is not found, then the serverMUST return the HRESULT error VDS_E_OBJECT_NOT_FOUND.3.4.5.2.38.4 IVdsVDisk::GetDeviceName (Opnum 6)The GetDeviceName method returns the device name of the disk.HRESULT GetDeviceName([out, string] LPWSTR* ppDeviceName);ppDeviceName: A pointer to a variable that receives the device name of the disk.Return Values: The method MUST return zero to indicate success, or return an implementationspecificnonzero error code to indicate failure.When the server receives this message, it MUST validate the following parameter:•Verify that ppDeviceName is not NULL.The server MUST perform the following:•If the virtual disk is an attached state, ppDeviceName MUST be set to the device name of thedisk associated with the virtual disk. For information on the attached state of a virtual disk, seeVDS_VDISK_STATE (section 2.2.2.18.1.1).•If the virtual disk is not in an attached state, ppDeviceName MUST be set to NULL.•Return an HRESULT indicating failure or success.3.4.5.2.39 IVdsOpenVDisk Methods3.4.5.2.39.1 IVdsOpenVDisk::Attach (Opnum 3)The Attach method creates an operating system disk device for a virtual disk.HRESULT Attach([in] LPWSTR pStringSecurityDescriptor,[in] ATTACH_VIRTUAL_DISK_FLAG Flags,[in] ULONG ProviderSpecificFlags,[in] ULONG TimeoutInMs,[out] IVdsAsync** ppAsync);pStringSecurityDescriptor: A NULL-terminated wide-character string containing the securitydescriptor to be applied to the virtual disk. If this parameter is NULL, the securitydescriptor in the caller's access token MUST be used.Flags: A bitmask of ATTACH_VIRTUAL_DISK_FLAG (section 2.2.2.19.1.1) enumerationvalues specifying virtual disk attaching options.[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011270 / 360
ProviderSpecificFlags: A bitmask of flags that are specific to the type of virtual disk that isbeing surfaced. These flags are provider-specific.TimeoutInMs: The length of time, in milliseconds, before this method should return afterwaiting for the virtual disk to be surfaced completely. If this parameter is zero, the methodreturns immediately without waiting for the disk to be surfaced. If this parameter is INFINITE,the method does not return until the surfacing operation is complete. If this parameter is setto a value other than zero or INFINITE and the time-out value is reached, the methodguarantees that the disk is not surfaced after the operation is complete.ppAsync: A pointer to an IVdsAsync (section 3.1.3.1) interface that, if the operation issuccessfully completed, receives the IVdsAsync interface to monitor and control thisoperation. Callers MUST release the interface when they are done with it.Return Values: This method MUST return zero to indicate success, or return an implementationspecificnonzero error code to indicate failure.When the server receives this message, it MUST validate the following parameters:•Verify that ppAsync is not NULL.The server MUST perform the following:•Create a new async object implementing the IVdsAsync interface with an output type ofVDS_ASYNCOUT_ATTACH_VDISK and set the pointer ppAsync to the interface.•Return an HRESULT indicating failure or success. Any errors encountered up through this pointin processing the operation are returned in this HRESULT.The server MUST then perform the following in sequence. Errors generated in this sequence of stepsare returned in the pHrResult parameter to the IVdsAsync::Wait or IVdsAsyncQueryStatus methods.•Pass the input parameters to the operating system to attach the virtual disk.•Set the return code in the async object to an HRESULT indicating failure or success of theoperating system. If the task completed successfully, set the percentage-completed value in theasync object to 100.•Set the signal state in the async object to TRUE.At any point in the preceding sequence, before the percentage-completed value in the async objectis 100, the server MUST update the percentage-completed value if forward progress is made duringthe compact operation.3.4.5.2.39.2 IVdsOpenVDisk::Detach (Opnum 4)The Detach method removes the operating system disk device that represents a virtual disk.HRESULT Detach([in] DETACH_VIRTUAL_DISK_FLAG Flags,[in] ULONG ProviderSpecificFlags);Flags: A DETACH_VIRTUAL_DISK_FLAG (section 2.2.2.19.1.2) enumeration value thatspecifies how the virtual disk is to be detached.[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011271 / 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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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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•For each callback object that is
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3.4.5.2.23.7 IVdsAdvancedDisk::Dele
Page 220 and 221: Return Values: The method MUST retu
Page 222 and 223: Note This method is not valid on CD
Page 224 and 225: •objectType member is VDS_NTT_VOL
Page 226 and 227: •ullOffset is the byte offset at
Page 228 and 229: eginning of the disk that ullOffset
Page 230 and 231: usFileSystemRevision: A 16-bit, bin
Page 232 and 233: HRESULT FormatPartitionEx2([in] ULO
Page 234 and 235: •Set the signal state in the asyn
Page 236 and 237: Return Values: The method MUST retu
Page 238 and 239: •Create a new async object implem
Page 240 and 241: The server MUST update the percenta
Page 242 and 243: If the volume resides on a basic di
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Page 246 and 247: •For each callback object registe
Page 248 and 249: If the volume is associated with a
Page 250 and 251: The server MUST then perform the fo
Page 252 and 253: •Verify that plNumberOfAccessPath
Page 254 and 255: HRESULT Mount();This method has no
Page 256 and 257: HRESULT GetFileSystemTypeName([out,
Page 258 and 259: •Return an HRESULT indicating fai
Page 260 and 261: •Allocate a buffer to hold the vo
Page 262 and 263: •For each callback object that is
Page 264 and 265: •Verify that ullDesiredNumberOfRe
Page 266 and 267: •Verify that ppVolume is not NULL
Page 268 and 269: The server MUST update the percenta
Page 272 and 273: ProviderSpecificFlags: Flags specif
Page 274 and 275: For example, to merge a differencin
Page 276 and 277: At any point in the preceding seque
Page 278 and 279: •objectType member is VDS_NTT_FIL
Page 280 and 281: •Volume member is a VDS_VOLUME_NO
Page 282 and 283: Figure 2: Client starting a VDS ses
Page 284 and 285: 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
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}[]HRESULT CreatePack([out] IVdsPac
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HRESULT CreateVolume([in] VDS_VOLUM
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[object,uuid(8F4B2F5D-EC15-4357-992
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uuid(9882f547-cfc3-420b-9750-00dfbe
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);[helpstring("method QueryPlexes")
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);[helpstring("method Mount")]HRESU
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[object,uuid(4daa0135-e1d1-40f1-aaa
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7 Appendix B: Product BehaviorThe i
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Supported operating system versionI
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•Dynamic disk volumes - The flag
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overwritten with "UDF". The first e
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Section 3.1.7.1: This interface is
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Section 3.4.5.2.18.5: The Windows i
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On Windows Server 2003, Windows Ser
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incorrectly returns 0 in the pulPer
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Section 3.4.5.2.38.3: Windows does
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•Protocol syntax updated due to p
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IVdsVolumeMF (section 2.2.2.15 81,
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enumerations 70interface 130methods
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PVDS_REPARSE_POINT_PROP 81PVDS_VDIS
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VDS_SERVICE_NOTIFICATION structure
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[MS-VDS]: Virtual Disk Service (VDS) Protocol Specification

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