Correct setup of OpenXR in a HoloLens 2 project including Holographic Remoting

1 minute read

This is a short tip, and an easy checklist reference (not only for you, but also for myself). Although Microsoft does have a guide for this, it’s missing some screenshots (IMHO) and it took me more time to get it right than I think it should. This is not so much a problem when you set up a new project, but if you are migrating, things can be a bit more rough. So anyway, I have a correctly set up project here that you can check for settings. I am not sure these are all required, but this is what works for me.

Unity project settings

Using Unity 2020.3.6f1 or some other 2020.3 LTS version, click Edit/Project Settings and select “XR Plug-in Management”. The desktop tab (with the monitor on it) should say this:

The UWP tab (with the Windows flag on it) should show this:

Now select “OpenXR” below “XR Plug-in Management”. The desktop tab should show this:

And the UWP tab should say this:

Now if you click Mixed Reality/Remoting/Holographic Remoting for Play Mode:

You should get this little screen:

Fill in the IP address your HoloLens 2 is listening on, hit enable and you are good to go.

Don’t forget to disable it again if you want to test in the editor again!

Bonus tip: easily determine the ip address of your HoloLens 2 USB port

The Holographic Remoting Player App conveniently shows you the IP address the HoloLens 2 is using on your network.

In this case, But this might change the next time you boot up, there might be port blocks on your (corporate) firewall, and in any case - it will probably be very slow and result in a poor performance. It’s better to use the IP address of the USB port. Now you can of course look that up in the network settings, but I am a lazy *** so I usually do this:

  • Make sure the Holographic Remoting Player app is not running. If there’s a 3D icon around, tap the X on the menu near it.
  • Turn off WiFi

  • Make sure the HoloLens 2 is connected to your PC using the USB cable
  • Start up the Holographic Remoting Player app again


A demo project doing noting much but with all the right settings can be found here.