i tried that but same error

and to make things complete: I tried converting the physical disk to a local file on the Server 2012 R2 machine and this fails, too. Same error!

seems to be an issue on the physical side, not on the Hyper-V machine

I'm lost ...

extra info, I tried converting using 2 methods:

- entire machine
- physical disk

both end with the same error: CreateVirtualDisk is fail - -1069940716

We're trying to convert a physical Windows Server 2012R2 machine to Hyper-V. New VM is created on the Hyper-V 2019 server, snapshot is taken with success on the physical machine but the conversion fails with error message in the GUI: Creating output image file Error creating image Convertation faile...