Thanks Bree
I know it was originally without X, just that I don't use VHD anymore, always VHD X: Elon Musk told me so ;-)
Even I call now my 2015 Nissan Leaf, Nissan X .
And you are correct too: I also use HyperV as a tool for VHDX, but I obtain the same error as mounting the VHDX with...