Ah then that would limit you somewhat.
Maybe it’s time to just move on and upgrade, there’s no point staying behind the times as it’s just makes things difficult.
Why not keep this Mac as a spare, for when you need it. And treat yourself to a newer one? It doesn’t need to be all singing and dancing…
My daily is a 2018 MacMini.
But, you could pick up M1 Mac Mini’s rather cheap now at around £550/$600.
I do have an M1 macbook pro, it’s just not the machine with 18TB of disk space that my workhorse mac pro is. I think I might try Parallels… Just a pain to set up.
Has anyone run Roon 2.0 on Parallels here?
It helps if you add all this to the post, I look silly now. 
Sorry! I just wanted to keep it focused and not have people tell me how much they like to use Roon on the great screen of the mbp! 
I imagine that people might have tried running Roon core on Parallels as the mac version of it has traditionally been compromised (because of mono).
Just created a new thread I think that’s clearer.
Thx for the help.
I agree with Miguel - It is irksome that Roon isn’t supporting the older OS.
My core is on a Small Green Computer system, but my interface for downloading CDs and the huge SSDs are on an iMac that can’t be upgraded to the supported OS’s.
It was a great use for the old machines that have a CD drive, easy means/space for mounting 2 internal SSD’s …
Is there a work-around that allows Roon 2.0 to run on HighSierra or Mojave??
Roon 2.0 now no longer depends on mono:
The change to .Net is also the reason for dropping support for older MacOS versions:
Stick with Roon 1.8 (and mono) or get creative (run in VM, … ?) like the OP of this thread.
My condolences on you having been tricked into buying a NUC. On paper it make look like a real computer but it isn’t. It’s a cute toy. I would not wish a NUC on Vladimer Putin. They never perform anywhere near that of the desktop system they are tricking into thinking it is but in a small package, nope, the i/o is so poor on these NUCs.
I have updated my Macbook Pro 8,1 (from 2011) with macOS 10.13.6 (High Sierra) to macOS 11.7 (Big Sur) with the Open Core Legacy Patcher
Now Roon 2.0 is running as an endpoint on it. 
NUC dedicated to Roon via ROCK works amazingly well.
This won’t work for me as I want to be able to use a few legacy 32bit apps - especially Oxford English Dictionary.
I would not run a core on a VM or some similar relatively fragile setup. Clients ok.
I too have had a 2010 Mac Pro which I bought second hand in 2012 and pimped it up with faster dual CPUs, more RAM and SSD boot drive. it’s been s great desktop machine and I’ve had Roon Core running on it without an issue, other than having to have the machine on. I swapped over to an SSD on my Syno NAS and that also works well.
Sadly my Mac Pro finally karked it a couple of months ago I wanted to patch Catalina on it, but I had problems with the graphics card and there were one or two other problems. So, I now have a base model Mac Studio, which is great. Still have Roon on the NAS for the time being and I was doing a little bit of beta testing for v2.0 and ARC, all good.
Go for Open Core Legacy patcher!! Real awesome, good instructions.
I am running 2 Mac mini’s 2011, i7 and i5 16/500SSD on MacOS Monterey 12.6.1 latest build.
Running dedicated ROON 2.0 server and PLEX Media server
And the other MAMP 6.1
I hear there is a problem with the graphics card if you upgrade the Mac Os, did you experience any problems? my Mac mini specs are as follows. I will appreciate it if you can confirm that I can go ahead to patch my Server using the patcher mentioned above. the Specs of my Mac Mini Mid 2011 are as follows:
-Processor 2.7 GHz Intel i7
-Memory 16 Gb 133 Mhz DDR3
-HD 1TB SSD
-Graphics AMD RadeonHD6630M
To my knowledge and experience I did not have issues with Mac mini i5 late 2011 as well as Mac mini i7 late 2011. Both do not have a Radeon chip, so no experience with that. Sorry.
Best regards Max
I would also recommend using OCLP: What is OpenCore? | OpenCore Legacy Patcher on your vintage MacPro.
I’m running a 2009 MacPro, firmware hacked to be a 2010 MacPro (they both have the same backplane). I have a Metal capable video card and I used OCLP to upgrade my MacPro to MacOS BigSur from Mojave.
I’ve been running Roon 2.0 without issue and considering the age of my MacPro it runs extremely stable, although it isn’t pushed too hard anymore.
I’ve done many upgrades to over the years. It started out life with dual 2.26GHz processors I upgraded to dual 3.06 GHz. Ram is at 24GB. I have three SSD drives in the bays and one 6TB hard drive, a 3TB drive for backups in the CD bay, below the CD drive.
I’ve upgraded the Wi-Fi and Bluetooth card and fitted an external antenna for the Bluetooth on the rear of the case.
My OS is on a Samsung 980 Pro NVMe in a PCIe slot.
It all sings along (touch wood) quite merrily.
If you do go down this route you will need to make sure that your Bluetooth/wifi card is compatible as well, although there are patches to help with this.
It took a while to work out but it was worth it.
Mr.Macintosh https://www.youtube.com/c/MrMacintoshBlog has some excellent tutorials to get you going and there is plenty of help on the MacRumors forum.
I have a question about this. I now run Roon 1.8 build 1105 on Mac OSX 10.13.6. It runs fine.
Roon tells me there is an update ready and I can install it. But I do not dare to install it as Roon does not tell me what version this would be. Is this new install then 2.0 and will it not run with my OSX? Or is there a definitive 1.8 build that I should install?
You would be best to explicitly install Roon 1.8 (Legacy) on your remotes and Core to ensure you get onto that branch.
The links to download the installers are given here:
I installed the open core legacy patcher and so far ROON 2.0 is running ok
Were you able to upgrade or did you have to do an install from scratch?