This is the built-in help made by Microsoft for the command 'Merge-VHD', in PowerShell version 3 - as retrieved from
Windows version 'Microsoft Windows Server 2012 Standard' PowerShell help files on 2016-06-23.
For PowerShell version 3 and up, where you have Update-Help, this command was run just before creating the web pages from the help files.
Merges virtual hard disks.
Merge-VHD [-Path] <String> [[-DestinationPath] <String>] [-AsJob] [-ComputerName <String[]>] [-Force] [-Passthru] [<CommonParameters>]
The Merge-VHD cmdlet merges virtual hard disks in a differencing virtual hard disk chain. The merge is from a specified source child disk to a
specified destination child disk.
Merge is an offline operation; the virtual hard disk chain must not be attached when merge is initiated.
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Example 1
PS C:\>Merge-VHD –Path c:\test\Child4.vhdx –DestinationPath c:\test\Child2.vhdx
This example merges the virtual hard disk from Child4 to Child2, for a virtual disk chain with Child4 as a child of Child3, Child3 as a child
of Child2, Child2 as a child of Child1, and Child1 as a child of Parent, and with the virtual hard disk file for each located in c:\test.
This example merges all data from Child4 and Child3 up to Child2. Child4.vhdx and Child3.vhdx are not deleted, but are no longer valid virtual
hard disk files after the operation.