Check if running Citrix PVS 7.8 or earlier. I’ve had the unfortunate experience of getting this numerous times trying to import an new vDisk version of a VHDX file, unfortunately for me I was running 7.1 at the time and no fix was imminent when I spoke to vendor. Good news is as of PVS … More Citrix PVS tip: Getting dreaded “Manifest file is invalid” message?