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

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VDS_VPT_SPAN = 0x0000000B,VDS_VPT_STRIPE = 0x0000000C,VDS_VPT_PARITY = 0x0000000E} VDS_VOLUME_PLEX_TYPE;VDS_VPT_UNKNOWN: The volume plex type is unknown.VDS_VPT_SIMPLE: The plex type is simple; it is composed of extents from exactly one disk.VDS_VPT_SPAN: The plex type is spanned; it is composed of extents from more than one disk.VDS_VPT_STRIPE: The plex type is striped, which is equivalent to RAID-0.VDS_VPT_PARITY: The plex type is striped with parity, which accounts for RAID levels 3, 4, 5,and 6.2.2.2.16.1.2 VDS_VOLUME_PLEX_STATUSThe VDS_VOLUME_PLEX_STATUS enumeration defines the set of object status values for avolume plex.typedef enum _VDS_VOLUME_PLEX_STATUS{VDS_VPS_UNKNOWN = 0x00000000,VDS_VPS_ONLINE = 0x00000001,VDS_VPS_NO_MEDIA = 0x00000003,VDS_VPS_FAILED = 0x00000005} VDS_VOLUME_PLEX_STATUS;VDS_VPS_UNKNOWN: The status of the volume plex is unknown.VDS_VPS_ONLINE: The volume plex is available.VDS_VPS_NO_MEDIA: The volume plex has no media.VDS_VPS_FAILED: The volume plex is unavailable.2.2.2.16.2 Structures2.2.2.16.2.1 VDS_VOLUME_PLEX_PROPThe VDS_VOLUME_PLEX_PROP structure provides information about the properties of a volumeplex.typedef struct _VDS_VOLUME_PLEX_PROP {VDS_OBJECT_ID id;VDS_VOLUME_PLEX_TYPE type;VDS_VOLUME_PLEX_STATUS status;VDS_HEALTH health;VDS_TRANSITION_STATE TransitionState;ULONGLONG ullSize;unsigned long ulStripeSize;unsigned long ulNumberOfMembers;} VDS_VOLUME_PLEX_PROP,*PVDS_VOLUME_PLEX_PROP;[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 201182 / 360
id: The GUID of the plex object.type: The plex type that is enumerated by VDS_VOLUME_PLEX_TYPE. The type of the plexneed not match that of the volume to which it belongs. For example, a mirrored RAID-1volume can be composed of plexes that are simple (composed of extents from exactly onedisk).status: The status of the plex object that is enumerated by VDS_VOLUME_PLEX_STATUS.The status of the plex need not match that of the volume to which it belongs. For example, avolume plex may have a failed status (VDS_VPS_FAILED), but if the volume is fault-tolerantand its other plexes are online (VDS_VPS_ONLINE), the volume will still be online(VDS_VS_ONLINE).health: Value from the VDS_HEALTH enumeration that defines the health of the volume. Thehealth of the plex need not match that of the volume to which it belongs. For instance, avolume's plex may have failed health (VDS_H_FAILED), but if the volume is a mirror volume(RAID-1) and its other plexes are healthy (VDS_H_HEALTHY), the volume will have failedredundancy health (VDS_H_FAILED_REDUNDANCY).TransitionState: Value from the VDS_TRANSITION_STATE enumeration that defines theconfiguration stability of the plex. The TransitionState of the plex matches the TransitionStateof the volume to which it belongs.ullSize: The size of the plex, in bytes. The size can be equal to, or greater than, that of thevolume to which it belongs. The plex cannot be smaller than the volume.ulStripeSize: The stripe interleave size, in bytes. This member applies only for plexes of typeVDS_VPT_STRIPE (striped) and VDS_VPT_PARITY (striped with parity).ulNumberOfMembers: The number of members (RAID columns) in the volume plex.2.2.2.17 IVdsVdProvider Data TypesThis section lists data types that are used exclusively by methods in the IVdsVdProvider (section3.1.9.4) interface.2.2.2.17.1 Enumerations2.2.2.17.1.1 CREATE_VIRTUAL_DISK_FLAGThe CREATE_VIRTUAL_DISK_FLAG enumeration defines the properties of a virtual disk that isbeing created.typedef enum _CREATE_VIRTUAL_DISK_FLAG{CREATE_VIRTUAL_DISK_FLAG_NONE = 0x0,CREATE_VIRTUAL_DISK_FLAG_FULL_PHYSICAL_ALLOCATION = 0x1} CREATE_VIRTUAL_DISK_FLAG;CREATE_VIRTUAL_DISK_FLAG_NONE: Indicates to the server that no flags have beenspecified. CREATE_VIRTUAL_DISK_FLAG_NONE specifies that a virtual disk file will be[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 201183 / 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
Page 32 and 33: VDSStorageIdTypeVendorSpecific = 0x
Page 34 and 35: VDS_FSF_ALLOCATION_UNIT_8K = 0x0010
Page 36 and 37: VDS_DET_OEM: The extent belongs to
Page 38 and 39: VDS_ESOF_QUICK: Determines whether
Page 40 and 41: 2.2.1.2.21 VDS_LUN_RESERVE_MODEThe
Page 42 and 43: VDS_VF_NOT_FORMATTABLE: If set, the
Page 44 and 45: ValueVDS_NF_DISK_ARRIVE0x00000008VD
Page 46 and 47: wcLetter: The drive letter that tri
Page 48 and 49: 2.2.1.3.10 VDS_ASYNC_OUTPUTThe VDS_
Page 50 and 51: Value0x4000000000000000GPT_BASIC_DA
Page 52 and 53: m_bCommandQueueing: A Boolean value
Page 54 and 55: diskId: The VDS object ID of the di
Page 56 and 57: MbrPartInfo: Contains information f
Page 58 and 59: VDS_OT_DISK: The object is a disk.V
Page 60 and 61: typedef struct _VDS_DRIVE_LETTER_PR
Page 62 and 63: pSharedSecret: A pointer to an arra
Page 64 and 65: Corresponding HBA_PORTSTATE value:
Page 66 and 67: wwnNode: The node WWN for the HBA p
Page 68 and 69: 2.2.2.6.2.2 VDS_ISCSI_INITIATOR_POR
Page 70 and 71: unsigned long ulFlags;unsigned long
Page 72 and 73: 2.2.2.9.1 Structures2.2.2.9.1.1 VDS
Page 74 and 75: pwszAdaptorName: The null-terminate
Page 76 and 77: ValueRemovableMedia0x0000000BFixedM
Page 78 and 79: style: The value from the VDS_PARTI
Page 80 and 81: ulFlags: The combination of any val
Page 84 and 85: allocated as the backing store for
Page 86 and 87: VDS_VST_DETACH_PENDING: The virtual
Page 88 and 89: } DEPENDENT_DISK_FLAG;DEPENDENT_DIS
Page 90 and 91: VirtualDeviceType: A pointer to a V
Page 92 and 93: additional information about the re
Page 94 and 95: Return value/code0x80042423VDS_E_PR
Page 96 and 97: Return value/codeDescriptionVDS_E_P
Page 98 and 99: Return value/codeDescriptionwhen th
Page 100 and 101: Return value/code0x8004251BVDS_E_VO
Page 102 and 103: Return value/codeVDS_E_DISK_LAYOUT_
Page 104 and 105: Return value/code0x80042566VDS_E_IN
Page 106 and 107: Return value/code0x80042588VDS_E_VO
Page 108 and 109: Return value/codeVDS_E_ASSOCIATED_P
Page 110 and 111: Return value/code0x80042815VDS_E_VO
Page 112 and 113: Return value/code0x8004290AVDS_E_IS
Page 114 and 115: Return value/code0x80042924VDS_E_RA
Page 116 and 117: 3 Protocol DetailsThe following sec
Page 118 and 119: ParameterRPC interface UUID forIVds
Page 120 and 121: Objects can be HBA ports, initiator
Page 122 and 123: 3.1.5 Service Object InterfacesThis
Page 124 and 125: Methods in RPC Opnum OrderMethodGet
Page 126 and 127: Methods in RPC Opnum OrderMethodGet
Page 128 and 129: MethodGetPropertiesDescriptionRetri
Page 130 and 131: 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
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2. The server determines that the c
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Figure 8: Retrieving the properties
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8. When the format operation comple
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wprintf( L" Volume Id: %s\n", buffe
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6 Appendix A: Full IDLFor ease of i
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VDSBusTypeiScsi = 0x00000009,VDSBus
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} VDS_VOLUME_TYPE;typedef enum _VDS
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VDS_OBJECT_IDULONGLONG} VDS_PARTITI
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typedef struct _VDS_STORAGE_DEVICE_
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} GptPartInfo;[default];};} CREATE_
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VDS_PS_UNKNOWN = 0x00000000,VDS_PS_
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typedef struct _VDS_FILE_SYSTEM_TYP
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typedef struct _VDS_PACK_PROP{VDS_O
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OPEN_VIRTUAL_DISK_FLAG_NO_PARENTS =
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);[out] unsigned long *pcFetched[he
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HRESULT QueryFileSystemTypes([out,
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*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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