1168 in updating
Note that these DISM commands are only available while you can still go back to a previous version of Windows.
If either of the following are true, then DISM will report Error 1168, Element not found.
You must enter a valid product key to continue with the upgrade process.
By simply running a few commands in Power Shell, you can determine the currently installed Edition, see which Edition you are allowed to upgrade to, and actually performing the upgrade process.
Recently, I ran into an issue playing around with Storage Spaces Direct where I had inadvertently cloned over a Windows Server 2019 Standard Edition template.
Storage Spaces Direct is feature that requires running Windows Server 2019 Datacenter.
Starting with the Windows 10 April 2018 Update v1803, new DISM commands have been added to: This tutorial will show you how to see and set the number of days after an upgrade you are still able to go back to a previous version of Windows in Windows 10.
You must be signed in as an administrator to set the number of days.