Moving/copying a VHDX to the Hyper-V machine?

Running 2012 R2 Hyper-V core managed via a Windows 8.1 desktop. Used Disk2VHD to convert a laptop. But I am unable to import the file (VHDX) into the Hyper-V via the import function, does not see the file nor am I able to copy/move the file to the Hyper-V machine to create a new VM with the VHDX file.

Any ideas on how to do this?