OS installation does not kick off after reboot - macOS Sierra

[kkulal]

Hi,

I am trying to create Sierra OSXinstallPKG and so far I am not successful.

Package install successfully and asks for a restart, after the restart OS installation does not kick off automatically... instead it stays on the manual installation process asking to accept license and to select the volume to continue the installation.

I am using the latest createOSXinstallPKG script "Modified Aug 2016 for installs under SIP"

Please suggest if I am using the correct script for building the package ? or can I modify the script to automate the OS installation ?

Thanks,
Kumaresh

[arubdesu]

The process configured by the package install DOES automate the install (minus one detail¹) so what you're experiencing is not expected. It is just a script, so you can always download the repo and use the file in the master branch. Myself and others are using that exact version you describe without seeing instances of an un-automated install, so either someone ALSO ran the manual installer application on that computer, or something else is going on. The install log may have more information.

¹ Filevaulted volumes require unlock after the reboot, before the automated install process runs.

[gregneagle]

Additionally -- if you wait too long after the pkg is installed to reboot, you may see the behavior you describe. This is controlled by Apple code, and "too long" is defined by their code.

[kirkmshaffer]

We're seeing a situation where we run the installer pkg successfully, then authrestart pretty much immediately, and the macOS installer doesn't kick-off. Machine goes straight to normal (non-FV) loginwindow. If the user runs the whole process again, it works just fine. I don't see much in the install.log of the failures, and the successes are fresh new files starting with the upgrade process.

[gregneagle]

I have never tested with an authrestart.

Since the boot environment is configured in a very specific way to boot into the OS X install environment, anything that alters the boot configuration is likely to break the OS install. Do you see this issue when not using authrestart?

[kirkmshaffer]

So we saw successes with the authrestart, but were seeing failures as well. Our testing without the authrestart (though limited) was all successes. We also tested startosinstall processes and autherestart saw similar failures as well. Authrestart is apparently a nice little monkey wrench to our plans. Thanks!

[gregneagle]

Of note, Apple's startosinstall tool does (or at least attempts to do) the authrestart for you if possible. It's poorly documented and full of pitfalls, however.

[kkulal]

With further testing I am seeing success.... OS installation kicks off automatically after reboot.

I was earlier testing on 10.11.4 VM which was having some issue... when I tried installing the package after an reboot it worked fine, also tested on 10.11.6 and 10.10.5. Thanks!