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Comment by Stratoscope | Hacker News Reader

From the FAQ:

> 9. Can I use my personal license on multiple machines?

> You may install the license on more than one machine but it may be used on only one machine at a time. To run multiple installations simultaneously, each instance requires a separate license.

https://sales.jetbrains.com/hc/en-gb (#9 under License Types and Users)

Will I still be able to run multiple instances of ReSharper on the same machine? This is pretty essential to my workflow. For example, I have three instances of VS2015 open at the moment: One for my Unity project, another for a C# plugin, and a third for the installer. ReSharper runs fine in all of them.

I can also run these on my Windows machine while having IDEA open on my Mac. (Actually the Windows machine is a Parallels VM, but same difference.) Will this capability go away? That would be unfortunate.

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Yes, nothing changes in this respect: you can run multiple instances of Visual Studio with ReSharper on the same machine.

Co-using IJ and ReSharper should be fine as well, as long as it's you and only you using them.

This is a good question. I usually have multiple PyCharm instances running and have never had a problem. I never thought about it until my wife started up PyCharm on my other computer and I got a notice saying another computer on the network was using a license and one of us needed to quit.

JetBrains needs to reassure us multiple instances are ok on same machine and across VMs. Will running the IDE in OS X and also a guest Linux VM look like multi-machine use? If so, that's really a bad flaw in licensing.

I was under the impression that they treat a VM like a separate machine - but now I'm not sure. I started IDEA in OSX and a Windows 10 VM on the same machine ten minutes ago, and so far neither instance has complained. I know IDEA has complained when I've run it on the Mac and my ThinkPad.

If this is legit and I can run IDEA on the host machine and in one or more VMs on the same machine, that would be a very good thing for multiplatform developers.

We're not changing anything in this regard: if it works now, it will work the same way with new subscription licenses.

If you encounter a case when a setup like this doesn't work, please contact JetBrains and we'll look into resolving the problem.

Nothing is changing as far as multi-machine or multi-instance usage is concerned. JetBrains products talk on the network periodically to find if another instance is running on a different computer and will force you to close one of them, you can run as many instances on the same computer without any issues.

Could you please link to the FAQ entry for this?

Good idea, thanks. I updated my comment above with the link.

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