411 questions with HoloLens-related tags

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2 answers

Issue with Video Recording Feature on Updated HoloLens 2 (December Release)

Dear all, I recently updated my HoloLens 2 to the December release version and noticed an issue with the video recording feature in an app I developed. During recording, the area that appears to be captured is reduced, and the game objects in my app are…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-12-18T02:34:20.4533333+00:00
Pantoja Rosero, Bryan 5 Reputation points
commented 2025-06-08T20:07:02.2766667+00:00
Pantoja Rosero, Bryan 5 Reputation points
1 answer

Error DEP6957: Failed to connect to the device "127.0.0.1" using "Universal Authentication".

The error encountered during the deployment process via Visual Studio is translated into English as follows: Error DEP6957: Failed to connect to the device "127.0.0.1" using "Universal Authentication". Please verify that the correct…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-02-19T07:01:04.3966667+00:00
baoting li 5 Reputation points
edited an answer 2025-06-05T03:16:01.6466667+00:00
Jay Zuo - MSFT 171 Reputation points Microsoft Employee Moderator
1 answer One of the answers was accepted by the question author.

Using Socket programming on HoloLens2 - development using Unity

Hi I'm currently working on a project which requires socket programming using UDP. I need to send packets through my Hololens to trigger some actions. I had made my initial development using Unity. Initially, I used Systems.Socket. Though It worked…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-08-13T17:16:19.7066667+00:00
prahlalad 40 Reputation points
commented 2025-05-14T14:48:23.3333333+00:00
Abhinav Maurya 0 Reputation points
1 answer

Accessing PV Camera Intrinsics/Extrinsics in MRTK3 (Unity + HoloLens 2)

Hi, We’re currently working on our bachelor’s thesis using the HoloLens 2. The goal of our project is to determine where and for how long the user is looking at certain objects in the environment. To achieve this, we stream video from the PV camera to a…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-04-17T13:56:48.34+00:00
Linus Ask 0 Reputation points
answered 2025-05-01T18:28:13.5133333+00:00
83841627 0 Reputation points
0 answers

Error: Microsoft Visual Studio Remote Debugging Monitor cannot start without a Machine Name.

I've tried to deploy a build into Hololens 2, and got this message below, although, I did specify the IP address of the device. The device was paired and confirmed using the Device Portal. "Error: Microsoft Visual Studio Remote Debugging Monitor…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-04-25T00:34:38.4666667+00:00
arman_sh 0 Reputation points
0 answers

Why can't we install a officially signed app on the HoloLens 2 without Developer Mode?

Were currently blocked in our release, because the HoloLens 2 won't let us install our signed app via AppInstaller when not in developer mode... We have a website that displays a QR code with the correct ms-appinstaller link that should install the…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-04-02T05:45:02.5633333+00:00
KM 0 Reputation points
commented 2025-04-11T04:43:46.61+00:00
KM 0 Reputation points
3 answers

I am getting an error while trying to setup Unity for HoloLens 2 Development, specifically, error CS0103: The name 'NonNativeKeyboard' does not exist in the current context

I am getting the following error message while trying to setup Unity for Microsoft HoloLens development: Library\PackageCache\org.mixedrealitytoolkit.uxcore@45c07beda63c\Experimental\NonNativeKeyboard\TMPInputFieldNonNativeKeyboardTrigger.cs(67,42):…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-03-17T01:52:29.5766667+00:00
Aswad Tariq 5 Reputation points
answered 2025-03-11T12:27:47.8466667+00:00
RupeshShelke-8139 0 Reputation points
4 answers One of the answers was accepted by the question author.

Unable to use Holographic remoting

I have Hololens (1gen). I want to setup remote connection Hololens-Unity to play unity apps straight from Unity Editor. For this purposes there is Holographic remoting app in microsoft store. So, I downloaded Holographic remoting app; Then i…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2021-07-01T06:26:06.097+00:00
Андрей Фескович 96 Reputation points
answered 2025-02-21T03:15:58.88+00:00
yulong sha 0 Reputation points
5 answers

Scrolling Object scrolls and then springs back to original position

This is for MRTK in Unity for us on Hololens 2. I imported the Scrolling Object prefab. The buttons are populated dynamically at run time. I can scroll the list in the Unity Editor (with difficulty), however, when I release the mouse the list reverts…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2021-06-17T19:09:14+00:00
Paul Klahr 1 Reputation point
answered 2025-02-19T11:24:35.8666667+00:00
janipoa8 0 Reputation points
1 answer One of the answers was accepted by the question author.

Unable to deploy apps to the HoloLens since October, "DEP 6957: Failed to connect to device using Universal Authentication"

I was able to deploy apps to the headset with no problem till October, but for the last month or so have simply not been able to connect using Visual Studio. I've tried deploying to multiple headsets from multiple PCs (all of which worked fine before),…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-11-13T01:35:28.1866667+00:00
Radha Kumaran 40 Reputation points
commented 2025-02-17T16:37:38.3766667+00:00
ema@diota.com 0 Reputation points
1 answer

How to stream video to HoloLens 2 with low latency?

Hi, I am looking for a way to stream video (without audio) to HoloLens 2 with a latency < 300ms? I'd like to create a resizable virtual window on the HoloLens that shows the video streams. So far I tried: "HTTP Live Streaming"…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2021-10-06T14:24:50.44+00:00
Fabian 11 Reputation points
commented 2025-02-10T07:29:14.88+00:00
Glob Vibes 0 Reputation points
1 answer

Hololens 2 integration with Azure and unity

Is it possible to deploy a 3D model from Unity to Azure and then display it on HoloLens 2?

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-01-28T04:53:00.07+00:00
Omar Ahmed 0 Reputation points
edited an answer 2025-02-06T03:36:40.58+00:00
Jay Zuo - MSFT 171 Reputation points Microsoft Employee Moderator
1 answer

Unable to deploy to HoloLens2 on Win10 and Win11

Hello, I am trying to deploy a Unity3D (2019.4.38f1) app using Visual Studio 2019 (16.11.43) to my HoloLens2 (22621.1418) on both Windows 10 and Windows 11. Unity has these packages added to the installation: Linux Build Support, Universal Windows…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2025-01-28T15:51:18.9333333+00:00
Enrico 0 Reputation points
commented 2025-02-05T09:32:36.3266667+00:00
Anonymous
1 answer

Authentication problem with Visual Studio2017 and Hololens2

I'm developing Hololens2 again these days, but when I deploy in Visual Studio, it always shows DEP6957 error and doesn't proceed. There may be a build or connection-related problem, but since it's something I've been using for a long time and suddenly…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-12-26T08:14:13.0533333+00:00
Kyuwoon Kim/Media Standard TP 0 Reputation points
edited the question 2025-01-07T18:49:47.02+00:00
TP 122.2K Reputation points Volunteer Moderator
1 answer

Turn off confirmation messages of eye calibration in Hololens 2

Hello, I am developing an application for Hololens 2 controlled by eye-tracking. I have used the "eye calibration checker" script from one of the examples to launch the calibration routine when a new user wears the headset. In order to complete…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-12-13T14:02:21.46+00:00
Randazzo Mattia 20 Reputation points
commented 2024-12-18T08:10:49.77+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

Hololens 2 Preview mismatch

Hello, I've recently acquired an Hololens 2 and I'm doing some developments on it to detect objects and align holograms to it. My Apps work properly when I look at the scene with my own eyes, which is cool. However all the holograms are shifted when I…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-04-11T13:38:05.0333333+00:00
Sandra Marcadent 25 Reputation points
commented 2024-12-18T02:46:41.7066667+00:00
Pantoja Rosero, Bryan 5 Reputation points
1 answer

How to access camera preview frames with MediaCapture class in Unity?

Using the Windows MediaCapture class we can capture videos and images on the HoloLens 2. The class also offers preview capabilities (see here). However, I am not sure how to get the preview stream within Unity and then display it to the user. In the docs…

Universal Windows Platform (UWP)
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,536 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-11-15T08:24:11.62+00:00
Valentin 40 Reputation points
edited a comment 2024-12-09T15:56:13.8533333+00:00
Valentin 40 Reputation points
1 answer One of the answers was accepted by the question author.

VideoCapture API in Unity3D on HL2 only returns Legacy Resolutions under SupportedResolutions

Using VideoCapture API I am able to record videos on the HL2 for resolutions 2272x1278 and 896x504. I am encountering the same problem as described here:…

C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,536 questions
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-03-07T16:28:44.2733333+00:00
Valentin 40 Reputation points
commented 2024-11-15T07:36:25.36+00:00
Valentin 40 Reputation points
1 answer

Hololens 2 Unity app running on desktop and custom sample player don't have the same coordinate system

Hello, I'm currently engaged in a project involving marker tracking using the front camera of the HoloLens 2. My setup involves a Python client that streams camera data, detects ArUco markers, converts their position and orientation to world coordinates,…

HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-05-08T02:39:18.08+00:00
Oualid kilani 5 Reputation points
commented 2024-11-15T03:38:19.2666667+00:00
jayashah 0 Reputation points
1 answer

VS2022 Error When Deploying HoloLens 2 Application: GameAssembly.lib Not Found

I encountered an error while deploying a HoloLens 2 application using VS2022: GameAssembly.lib not found. I noticed that the file does not exist in the Build folder and I'm not sure why it wasn't generated. I am deploying via Wi-Fi.

Universal Windows Platform (UWP)
HoloLens Development
HoloLens Development
HoloLens: A family of Microsoft self-contained, holographic devices that enable engagement with digital content and interaction with holograms in the surrounding environment.Development: The process of researching, productizing, and refining new or existing technologies.
411 questions
asked 2024-10-29T13:31:49.65+00:00
琛博 程 0 Reputation points
commented 2024-11-13T17:37:06.3033333+00:00
slaters5050 0 Reputation points