upgrade from OS X 8.5 (Mountain Lion) to 10.13 (High Sierra)

Hi Jim
A clean install of 10.13.1 is preferable, even if you’ve upgraded to 10.9 or
later. Digital signatures for kernel extensions (kexts) for legacy software
may ruin your upgrade experience >*(

Suggest you:
1.Clone your server
2.Erase your HDD and clean install High Sierra
3.Recover your data etc. from the clone
4.Run EtreCheck or similar to isolate any orphan launch daemons etc.

Just my two bits – HTH

Kim Sumner
Corporate Windows Pty Ltd, AUSTRALIA

Web: www.corporate-windows.com
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> From: Jim Pistrang <jim@jpcr.com>
> Reply-To: OmnisDev List – English <omnisdev-en@lists.omnis-dev.com>
> Date: Wed, 29 Nov 2017 08:49:09 -0500
> To: Omnis List Mail <omnisdev-en@lists.omnis-dev.com>
> Subject: upgrade from OS X 8.5 (Mountain Lion) to 10.13 (High Sierra)
>
> Hi all,
>
> I have a Mac Mini that I’d like to upgrade from OS X 8.5 (Mountain Lion) to
> 10.13 (High Sierra). Here are the specs and what I am currently running on
> the machine. Will an upgrade cause any of this to fail?
>
> Hardware:
> Mac Mini Server (lat 2012)
> 2.3 GHz Intel Core i7
> 8GB 1600 MHz DDR3
>
> Software:
> Omnis Web Server 6.1
> MySQL 5.6.16
> Sequel Pro 1.0.2
> Apache 2.2.29
> two SSL Certificates
>
> The Omnis Web Server is running an ultra-thin application.
>
> Thanks,
>
> Jim
> —
> Jim Pistrang
> JP Computer Resources
> 413-256-4569
> <www.jpcr.com>
>
>
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