Cannot create a template with Full SysPrep from a Windows ISO image
When attempting to create a template with Full SysPrep mode from an application that was created from a Windows ISO image, the creation process might fail with the error Error processing command COMMAND_REQUEST_TYPE_TEMPLATE_CREATE_FROM_VM.
The error looks similar to the following:

Note
This topic applies to all Windows ISO images except Windows 10.
To resolve the issue, follow these steps:
Give feedback