I'm trying to install Windows 10 Pro 1909 18363 unattended by using an answer file. In this answer file I specified in systemOOBE pass to boot into audit mode and in auditUser pass I defined serveral RunSynchonousCommand blocks. Now when the system lis booting into audit mode and logging into the administrator account I see the ‘Windows preparing’ screen but would expect to see the scripts which I defined as RunSynchronousCommand instead it is covered by this ‘Windows preparing’ screen.
It's also really well explained here: logon-scripts-being-hidden-in-background-behind-preparing-windows-screen
I made serveral tests so I can say the ‘Windows preparing’ screen is showing as long as the scripts are processing. When the last script finishes the ‘Windows preparing’ screen disappears. I also noticed that when the scripts are processing for longer than 10 mins the ‘Windows preparing’ screen disappears too. I guess it has a timeout of 10 minutes.
Is it possible to hide the ‘Windows preparing’ screen. Maybe there is a registry entry or something?
Referring to question source: