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ATTACH_VIRTUAL_DISK_FLAG enumeration (virtdisk.h)

Contains virtual disk attach request flags.

Syntax

typedef enum _ATTACH_VIRTUAL_DISK_FLAG {
  ATTACH_VIRTUAL_DISK_FLAG_NONE = 0x00000000,
  ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY = 0x00000001,
  ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER = 0x00000002,
  ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME = 0x00000004,
  ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST = 0x00000008,
  ATTACH_VIRTUAL_DISK_FLAG_NO_SECURITY_DESCRIPTOR = 0x00000010,
  ATTACH_VIRTUAL_DISK_FLAG_BYPASS_DEFAULT_ENCRYPTION_POLICY = 0x00000020,
  ATTACH_VIRTUAL_DISK_FLAG_NON_PNP,
  ATTACH_VIRTUAL_DISK_FLAG_RESTRICTED_RANGE,
  ATTACH_VIRTUAL_DISK_FLAG_SINGLE_PARTITION,
  ATTACH_VIRTUAL_DISK_FLAG_REGISTER_VOLUME,
  ATTACH_VIRTUAL_DISK_FLAG_AT_BOOT
} ATTACH_VIRTUAL_DISK_FLAG;

Constants

 
ATTACH_VIRTUAL_DISK_FLAG_NONE
Value: 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.
ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY
Value: 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.
ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER
Value: 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.
ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME
Value: 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.
ATTACH_VIRTUAL_DISK_FLAG_NO_LOCAL_HOST
Value: 0x00000008
Reserved.

This flag is not supported for ISO virtual disks.
ATTACH_VIRTUAL_DISK_FLAG_NO_SECURITY_DESCRIPTOR
Value: 0x00000010
ATTACH_VIRTUAL_DISK_FLAG_BYPASS_DEFAULT_ENCRYPTION_POLICY
Value: 0x00000020

Requirements

Requirement Value
Minimum supported client Windows 7
Minimum supported server Windows Server 2008 R2
Header virtdisk.h

See also

About VHD

VHD Reference