For future readers - FOG 1.2.0 has poor support for Windows 10, and the legacy fog client that comes with FOG 1.2.0 isn’t supported on Windows 10.
To gain full support for Windows 10, GPT disks, UEFI, newer nvme type disks, SSD disks, and numerous other hardware support to include Surface Pros, and better support for non-standard partition layout, along with incredible performance improvements, new features, and security benefits,
Please install the latest FOG 1.3.0 Release Candidate, and use the new FOG Client that comes with it.