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The PrepareVolume method of the Win32_EncryptableVolume class creates a BitLocker volume with the specified file system type of the discovery volume. This method must be called before the volume can be protected with any of the ProtectKeyWith* methods.
Syntax
uint32 PrepareVolume(
[in] string DiscoveryVolumeType,
[in] uint32 ForceEncryptionType
);
Parameters
-
DiscoveryVolumeType [in]
-
Type: string
A string that specifies the type of discovery volume.
Value Meaning <none> No discovery volume. This value creates a native BitLocker volume. <default> This value is the default behavior. FAT32 This value creates a FAT32 discovery volume. -
ForceEncryptionType [in]
-
Type: uint32
Integer that specifies the encryption type. This can be one of the following values.
Value Meaning - Unspecified
- 0
The encryption type is not specified. - Software
- 1
Software encryption. - Hardware
- 2
Hardware encryption.
Return value
Type: uint32
This method returns one of the following codes or another error code if it fails.
| Return code/value | Description |
|---|---|
| S_OK 0 (0x0) |
The method was successful. |
Remarks
If you do not call this method when enabling a BitLocker volume, it is the same as calling this method with the default value in the DiscoveryVolumeType parameter.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 Enterprise, Windows 7 Ultimate [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Namespace |
Root\CIMV2\Security\MicrosoftVolumeEncryption |
| MOF |
|