Omnisphere 2 Not Showing Up In Logic Pro X

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So I made a bit of a mistake this morning and I'm hoping for some helpful options in getting back up and running.
A little background: After finishing up a scoring project I decided to go ahead and update my machine to Mac OS 10.13 High Sierra. What I didn't know was that Omnisphere 1 is not compatible with this update, so it got wiped from my machine. (I should have checked the compatibility...live and learn.) I am happy to upgrade to Omnisphere 2, but their website states that the upgrade will not work correctly unless Omnisphere 1 is installed. Since I can't reinstall the original then it seems that I'm stuck.
My question is: Does anyone know if the upgrade will in fact not work if I don't have the original on my machine? If so, the only solutions I can think of are (1) Downgrade to the old OS, upgrade to Omnisphere 2, reinstall the new OS...or (2) Buy Omnisphere new outright and just abandon the upgrade path.
I have contacted Spectrasonics to get their take on what my options are, but haven't received any response. This all happened this morning, so I expect that they are just busy or haven't gotten to my message yet.
- Ryan
14th September 2017
Gear Nut

Omnisphere 2 Not Showing Up In Logic Pro X Download Free

Sep 14, 2017  I exported the Omnisphere MIDI track to Logic Pro X, and Logic did not see Omnisphere in my list of AU plug-ins. I sorted out that issue by updating Omnisphere so that Logic X would see it. So far, so good. Now, though, I cannot find/use the Omnisphere patch that. Oct 23, 2017 Fortunately I had my up-to-date STEAM folder on an external drive that had been moved to the new DAW, but since Omnisphere still wasn't showing up in Logic after creating the needed alias in the new system, I assumed there was something wrong with the main program install as well.

I have an Ableton Live set in which I used Omnisphere. I exported the Omnisphere MIDI track to Logic Pro X, and Logic did not see Omnisphere in my list of AU plug-ins.
I sorted out that issue by updating Omnisphere so that Logic X would see it. So far, so good.
Now, though, I cannot find/use the Omnisphere patch that I used when I originally made the Ableton Live set. Do I need to export the Omni patch from Live so that I can then open it up in Omni in Logic? I haven't figured out how to do that, if so. I would have thought that all my old Omnisphere patches would still be available in the new version, even if I open it up in another host.
This is probably a pretty basic question, but I'm still learning my way around the applications.
Thanks.

How To Install Omnisphere 2 In Logic Pro X

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