Hi,
I installed DSM 5 in Hyper-V VM (2012 R2) and it works perfectly fine. I did it simple by just booting on the Gnoboot 10.5 ISO and keep mounted in DVD drive. You just add have to setup a Gen1 VM, not a Gen2. I pushed update 1 and then update 2 without any issues following the instructions (sed command).
I just need a confirmation from experts.. I would like to add a serial number but I cannot find any vendor file. Should I browse the ISO image to find the file and update it? After it I compile the new ISO and it works?
Thanks for enlighten me.
And sorry for my French English