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UID title description helpviewer_keywords old-location tech.root ms.assetid ms.date ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames req.redist ms.custom f1_keywords dev_langs topic_type api_type api_location api_name
NE:virtdisk._ATTACH_VIRTUAL_DISK_FLAG
ATTACH_VIRTUAL_DISK_FLAG (virtdisk.h)
Contains virtual disk attach request flags.
ATTACH_VIRTUAL_DISK_FLAG
ATTACH_VIRTUAL_DISK_FLAG enumeration [VHD]
ATTACH_VIRTUAL_DISK_FLAG_NONE
ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER
ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST
ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME
ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY
vdssys/ATTACH_VIRTUAL_DISK_FLAG
vdssys/ATTACH_VIRTUAL_DISK_FLAG_NONE
vdssys/ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER
vdssys/ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST
vdssys/ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME
vdssys/ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY
vhd.attach_virtual_disk_flag
vhd.surface_virtual_disk_flag
virtdisk/ATTACH_VIRTUAL_DISK_FLAG
virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NONE
virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER
virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST
virtdisk/ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME
virtdisk/ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY
vhd\attach_virtual_disk_flag.htm
VStor
5792c2e2-0598-43ff-8c0f-5fb4a1a37656
12/05/2018
ATTACH_VIRTUAL_DISK_FLAG, ATTACH_VIRTUAL_DISK_FLAG enumeration [VHD], ATTACH_VIRTUAL_DISK_FLAG_NONE, ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER, ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST, ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME, ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY, vdssys/ATTACH_VIRTUAL_DISK_FLAG, vdssys/ATTACH_VIRTUAL_DISK_FLAG_NONE, vdssys/ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER, vdssys/ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST, vdssys/ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME, vdssys/ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY, vhd.attach_virtual_disk_flag, vhd.surface_virtual_disk_flag, virtdisk/ATTACH_VIRTUAL_DISK_FLAG, virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NONE, virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER, virtdisk/ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST, virtdisk/ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME, virtdisk/ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY
virtdisk.h
Windows
Windows 7
Windows Server 2008 R2
Windows
ATTACH_VIRTUAL_DISK_FLAG
19H1
_ATTACH_VIRTUAL_DISK_FLAG
virtdisk/_ATTACH_VIRTUAL_DISK_FLAG
ATTACH_VIRTUAL_DISK_FLAG
virtdisk/ATTACH_VIRTUAL_DISK_FLAG
c++
APIRef
kbSyntax
HeaderDef
VirtDisk.h
vdssys.h
ATTACH_VIRTUAL_DISK_FLAG

ATTACH_VIRTUAL_DISK_FLAG enumeration

-description

Contains virtual disk attach request flags.

-enum-fields

-field ATTACH_VIRTUAL_DISK_FLAG_NONE:0x00000000

No flags. Use system defaults.

This enumeration value is not supported for ISO virtual disks. ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY must be specified.

-field ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY:0x00000001

Attach the virtual disk as read-only.

Windows 7 and Windows Server 2008 R2:  This flag is not supported for opening ISO virtual disks until Windows 8 and Windows Server 2012.

-field ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER:0x00000002

No drive letters are assigned to the disk's volumes.

Windows 7 and Windows Server 2008 R2:  This flag is not supported for opening ISO virtual disks until Windows 8 and Windows Server 2012.

-field ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME:0x00000004

Will decouple the virtual disk lifetime from that of the VirtualDiskHandle. The virtual disk will be attached until the DetachVirtualDisk function is called, even if all open handles to the virtual disk are closed.

Windows 7 and Windows Server 2008 R2:  This flag is not supported for opening ISO virtual disks until Windows 8 and Windows Server 2012.

-field ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST:0x00000008

Reserved.

This flag is not supported for ISO virtual disks.

-field ATTACH_VIRTUAL_DISK_FLAG_NO_SECURITY_DESCRIPTOR:0x00000010

-field ATTACH_VIRTUAL_DISK_FLAG_BYPASS_DEFAULT_ENCRYPTION_POLICY:0x00000020

-see-also

About VHD

VHD Reference