I discovered the issue involved differencing disks on a lab system and it was the "parent" disk that couldn't be found. Everything converted great once I place the "parent" disk in the correct path that the differencing was expecting.

I've successfully used the converter many times before but now it no longer works when attempting to open a .vhd file. - running StarWind V2V Converter on Windows Server 2012 R2 (have not tried that before) - attempting to open a 1.2GB .vhd single file from local C: - have tried "Run As Adminis...