Imaging iMac 18,2 to 10.13.6

[whetzelj]

Hello all,

I've been working with JAMF support to figure out why the latest batch of iMacs won't boot from a fresh image of 10.13.6 even though they do netboot into this version. Older iMacs image just fine.

There was speculation that this could be because of a possible difference between the App Store build and the build that ships with the iMacs, but there is no evidence of that. The OS X build number for both is 17G65.

Is anybody else seeing this with the latest hardware?

[bwiessner · Accepted solution]

I think its the same for the Macbook Pro 2018 - they also do not boot when a fresh 10.13.6 is imaged on them. I tested this by just setting up the computer out of the box with a dummy admin account, going to the app store and tried to download HighSierra - I got the message that stated something like " the software on the computer is newer than whats in the app store - you can use internet recovery to reinstall if needed".

Also, in terminal if you do a "uname -a" this will out put the Darwin Kernal version you can see there is a difference between my 2016 mac and the 2018 macs

2016: 17.7.0 Darwin Kernel Version 17.7.0: Thu Jun 21 22:53:14 PDT 2018; root:xnu-4570.71.2~1/RELEASE_X86_64 x86_64

2018: 17.7.0 Darwin Kernel Version 17.7.0: Fri Jul 6 19:54:51 PDT 2018; root:xnu-4570.71.3~2/RELEASE_X86_64 x86_64

If you are trying to image/ enroll with Jamf imaging - just use the OS that came shipped with and in your configuration just take out the OS image ( don't erase the drive) and install everything else right on top.

Cheers!