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Unknown Partition when creating master image

Posts: 2
Comments: 0

We recently just started using the newest model of Probook from HP (HP Probook 640 G3) and I've been having issues creating a master image using windows 10 with these machines.

Out of the box everything seems fine if I want to create a master image, but as soon as I make any changes the C: drive starts showing up as Unknown with a type of "FS:'Unknown' Partition" and I have not been able to create a usable image because of this.

I ran chkdsk /f /r on the drive and it came back clean.  Any ideas/suggestions?

Forum Hero
Posts: 36
Comments: 6117


What version of SD are you using?  1749 was released in August with support for Windows 10 and Server 2016.

What types of changes are you making and where, that causes issues (configuration of the task in the SD5 console, changes during the deployment, changes to the drive after the image is deployed)?   A change to the bios settings?

Need a little more info to help make an educated guess.  I'd also recommend contacting Acronis technical support to open a case with them in case there is a deployment issue/bug.