UWP app network connection blocked by hololens 2 window firewall

[andyb-unity]

Unity does not implement AR Foundation support for HoloLens. Microsoft owns and maintains their AR Foundation provider plug-in and build tools. For any questions regarding HoloLens other than specifically the UnityEngine or UnityEditor API’s, please refer to the Microsoft Mixed Reality forums: https://techcommunity.microsoft.com/t5/mixed-reality/ct-p/MicrosoftMixedReality

Forum FAQ

Who moderates this forum? This forum is moderated by the Unity XR team, most actively by engineers who work on AR Foundation and related packages. Can I send a direct message? Unity employees will not respond to direct messages on the forums. If you have a question, please ask on the forum so that other users can benefit from your answer. Is a forum post the same thing as a bug report? No. The forums can be a great way to seek advice from the development community, but Unity does not track …

Note also that Unity 2018, 2019, and 2020 are all past their end-of-life date. The minimum supported versions of Unity and AR Foundation are currently 2021.3 and 4.2, respectively.