The root target path must exist.
In the first example, the root is
In the second example, the root is
That's common behavior, most command-line tools behave this way.
In the first example, the root is
C:\folder1\folder2\
In the second example, the root is
C:\folder1\folder2\folder3\folder4\
That's common behavior, most command-line tools behave this way.