IVMVirtualMachine::MergeUndoDisks method

Windows Virtual PC

[Windows Virtual PC is no longer available for use as of Windows 8. Instead, use the Hyper-V WMI provider (V2).]

Merges the virtual undo disks.

Syntax


HRESULT MergeUndoDisks(
  [out, retval] IVMTask **undoMergeTask
);

Parameters

undoMergeTask [out, retval]

An IVMTask object that is used to track the creation of the image.

Return value

This method can return one of these values.

Return code/valueDescription
S_OK
0

The operation was successful.

DISP_E_EXCEPTION
0x80020009

An unexpected error has occurred.

E_POINTER
0x80004003

The parameter is NULL.

HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND)
0x80070003

The system cannot find the path specified by the convertedDiskImagePath parameter or one of the parent disks is not valid.

E_ACCESSDENIED
0x80070005

The current user has insufficient access to the parent file.

E_HANDLE
0x80070006

One of the parent disks is in use.

VM_E_VM_UNKNOWN
0xA0040207

The configuration is unknown.

VM_E_VM_RUNNING
0xA0040500

The virtual machine is running.

VM_E_FILE_READ_ONLY
0xA004067A

The parent of virtual undo disks is marked as read only.

DISP_E_EXCEPTION
0x80020009

An unexpected error has occurred.

 

Remarks

MergeUndoDisks cannot be called while the virtual machine is still running. Use IVMVirtualMachine::Save to save the state of the virtual machine before calling MergeUndoDisks, or IVMVirtualMachine::TurnOff to turn off the virtual machine without saving its current state beforehand.

Requirements

Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

None supported

End of client support

Windows 7

Product

Windows Virtual PC

Header

VPCCOMInterfaces.h

IID

IID_IVMVirtualMachine is defined as f7092aa1-33ed-4f78-a59f-c00adfc2edd7

See also

IVMVirtualMachine

 

 

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