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Here's my dilemna - I started out using Octane in conjunction with the C4D plugin on 2x GPUs and eventually upgraded to 3x GTX 780s and a Titan running on an Amfeltec GPU splitter card. Barring the occasional hiccup, this ran swimmingly under Windows 7. Now I have found myself in a position wherein I have been pushed to upgrade to Windows 10 and while I find it generally stable and like a lot of the little tweaks that MS worked in, no amount of troubleshooting will allow for compatibility with my Amfeltec setup. At best I am running 2x cards at once or else risking BSODs within minutes of booting. I have lost easily a hundred+ hours at this point trying to sort this out and have gotten nowhere so I am at a point now where I have written off even trying to make it work. I know it isn't some other hardware fault given that my configuration worked under Windows 7 (and very well may work under Linux, though I haven't tried it) and sitting on 2x unused GPUs is a terrible waste of money.

This leads me to the crux of my questions:

1. Since V3 is now node locked to a machine, I am trying to ascertain if Octane considers the machine itself (using some sort of hardware ID) the node it is locked to OR is it locked to a specific OS installation? I ask because at this point I would entertain dual booting back to Windows 7 just to get Octane firing on all cylinders again but I don't want to wander down that path unless I am sure I am not going to deal with licensing headaches.
2. Looking at the downloads section, it would seem that I am entitled to every OS flavor available (Win/Mac/Linux) but I don't know what effect swapping to say Linux (since I am already entertaining dual-booting back to W7 I guess I would be curious to see if there was any measurable difference performance-wise) would have on my licensing.

Hopefully this post is in the right place - any insight would be helpful. Thanks.

Hi @cgmograph,

cgmograph wrote: 1. Since V3 is now node locked to a machine, I am trying to ascertain if Octane considers the machine itself (using some sort of hardware ID) the node it is locked to OR is it locked to a specific OS installation? I ask because at this point I would entertain dual booting back to Windows 7 just to get Octane firing on all cylinders again but I don't want to wander down that path unless I am sure I am not going to deal with licensing headaches.

Be aware this quote is true just if you are using the offline licensing mode, otherwise licenses work in floating mode and hence they are released every time you close Octane so you should not have any issues switching from one OS to another.

Note that from the licensing system perspective, each OS may look as a different machine, as we use different means provided by each specific OS to obtain your machine's ID. As we depend on this OS middleware, this may change even between different versions of the same OS, although in our experience that has never been the case.

cgmograph wrote: 2. Looking at the downloads section, it would seem that I am entitled to every OS flavor available (Win/Mac/Linux) but I don't know what effect swapping to say Linux (since I am already entertaining dual-booting back to W7 I guess I would be curious to see if there was any measurable difference performance-wise) would have on my licensing.

You are entitled to use any your licenses on any OS supported by Octane or the specific plugin you use. Just take into account my first comment.