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The Windows Device Portal for HoloLens lets you configure and manage your device remotely over Wi-Fi or USB. The Device Portal is a web server on your HoloLens that you can connect to from a web browser on your PC. The Device Portal includes many tools that will help you manage your HoloLens and debug and optimize your apps. MinGW provides a complete Open Source programming tool set which is suitable for the development of native MS-Windows applications, and which do not depend on any 3rd-party C-Runtime DLLs. (It does depend on a number of DLLs provided by Microsoft themselves, as components of the operating system; most notable among these is MSVCRT.DLL, the. Coda is a very powerful application used for web development that is compatible with Mac OS. Now, with Coda 2, there's a ton of new features that make the program better than ever before. New features include completely new reference books, updates t. WPF Theme Designer - v19.2.1 Update (Available Now) The newest version of the DevExpress WPF Theme Designer (v19.2.1) ships with two major features designed to improve overall usability (the Visual Tree and Properties Windows). These new windows allow you to locate an element and its properties within XAML more quickly.

The Windows Device Portal for HoloLens lets you configure and manage your device remotely over Wi-Fi or USB. The Device Portal is a web server on your HoloLens that you can connect to from a web browser on your PC. The Device Portal includes many tools that will help you manage your HoloLens and debug and optimize your apps.

This documentation is specifically about the Windows Device Portal for HoloLens. To use the Windows Device portal for desktop (including for Windows Mixed Reality), see Windows Device Portal overview

Setting up HoloLens to use Windows Device Portal

1. Power on your HoloLens and put on the device.
2. Perform the Start gesture for HoloLens2 or Bloom on HoloLens (1st Gen) to launch the main menu.
3. Gaze at the Settings tile and perform the air-tap gesture on HoloLens (1st Gen) or select it on HoloLens 2 by touching it or using a Hand ray.
4. Select the Update menu item.
5. Select the For developers menu item.
6. Enable Developer Mode.

Important

If you're in multi-user and not an admin, the ability to enter Developer Mode may be grayed out. Please ensure that you are an admin on the device.

1. Scroll down and enable Device Portal.
2. If you are setting up Windows Device Portal so you can deploy apps to this HoloLens over USB or Wi-Fi, click Pair to generate a pairing PIN. Leave the Settings app at the PIN popup until you enter the PIN into Visual Studio during your first deployment.

Connecting over Wi-Fi

1. Connect your HoloLens to Wi-Fi.
2. Look up your device's IP address by either:
   • Going to Settings > Network & Internet > Wi-Fi > Advanced Options.
   • Going to Settings > Network & Internet and selecting Hardware properties.

1. From a web browser on your PC, go to https://
   • The browser will display the following message: 'There's a problem with this website's security certificate'. This happens because the certificate which is issued to the Device Portal is a test certificate. You can ignore this certificate error for now and proceed.

Connecting over USB

1. Install the tools to make sure you have Visual Studio with the Windows 10 developer tools installed on your PC to enable USB connectivity.

Important

If you're having issues with USB connectivity double check that the USB Device Connectivity optional component is installed as part of your Visual Studio tool package.

1. Connect your HoloLens to your PC with a micro-USB cable for HoloLens (1st Gen) or USB-C for HoloLens 2.
2. From a web browser on your PC, go to https://127.0.0.1:10080.

Moving files over USB

You can move files from your PC to your HoloLens without any additional setup.

1. Connect your PC to your HoloLens with a USB cord
2. Drag your files into PC[Your_HoloLens_Device_Name]Internal Storage on your desktop
3. Open the Start Menu and select All apps > File Explorer on your HoloLens

Note

You may need to select This device on the left side of the panel to navigate away from 'Recently used' to locate your files.

Connecting to an emulator

You can also use the Device Portal with your emulator. To connect to the Device Portal, use the toolbar. Click on this icon: Open Device Portal: Open the Windows Device Portal for the HoloLens OS in the emulator.

Creating a Username and Password

Set up access to Windows Device Portal

The first time you connect to the Device Portal on your HoloLens, you will need to create a username and password.

1. In a web browser on your PC, enter the IP address of the HoloLens. The Set up access page opens.
2. Click or tap Request pin and look at the HoloLens display to get the generated PIN.
3. Enter the PIN in the PIN displayed on your device textbox.
4. Enter the user name you will use to connect to the Device Portal. It doesn't need to be a Microsoft Account (MSA) name or a domain name.
5. Enter a password and confirm it. The password must be at least seven characters in length. It doesn't need to be an MSA or domain password.
6. Click Pair to connect to Windows Device Portal on the HoloLens.

If you wish to change this username or password at any time, you can repeat this process by visiting the device security page by navigating to: https:///devicepair.htm.

Security certificate

If you see a 'certificate error' in your browser, you can fix it by creating a trust relationship with the device.

Each HoloLens generates a unique self-signed certificate for its SSL connection. By default, this certificate is not trusted by your PC's web browser and you may get a 'certificate error'. By downloading this certificate from your HoloLens (over USB or a Wi-Fi network you trust) and trusting it on your PC, you can securely connect to your device.

1. Make sure you are on a secure network (USB or a Wi-Fi network you trust).
2. Download this device's certificate from the 'Security' page on the Device Portal.
   • Navigate to: https:///devicepair.htm
   • Open the node for System > Preferences.
   • Scroll down to Device Security, click the 'Download this device's certificate' button.
3. Install the certificate in the 'Trusted Root Certification Authorities' store on your PC.
   • From the Windows menu, type: Manage Computer Certificates and start the applet.
   • Expand the Trusted Root Certification Authority folder.
   • Click the Certificates folder.
   • From the Action menu, select: All Tasks > Import.
   • Complete the Certificate Import Wizard, using the certificate file you downloaded from the Device Portal.
4. Restart the browser.

Note

This certificate will only be trusted for the device and the user will have to go through the process again if the device is flashed.

Device Portal Pages

Home

Windows Device Portal home page on Microsoft HoloLens

Your Device Portal session starts at the Home page. Access other pages from the navigation bar along the left side of the home page.

The toolbar at the top of the page provides access to commonly used status and features.

• Online: Indicates whether the device is connected to Wi-Fi.
• Shutdown: Turns off the device.
• Restart: Cycles power on the device.
• Security: Opens the Device Security page.
• Cool: Indicates the temperature of the device.
• A/C: Indicates whether the device is plugged in and charging.
• Help: Opens the REST interface documentation page.

The home page shows the following info:

• Device Status: monitors the health of your device and reports critical errors.
• Windows information: shows the name of the HoloLens and the currently installed version of Windows.
• Preferences section contains the following settings:
  • IPD: Sets the interpupillary distance (IPD), which is the distance, in millimeters, between the center of the user's pupils when looking straight ahead. The setting takes effect immediately. The default value was calculated automatically when you set up your device.
  • Device name: Assign a name to the HoloLens. You must reboot the device after changing this value for it to take effect. After clicking Save, a dialog will ask if you want to reboot the device immediately or reboot later.
  • Sleep settings: Sets the length of time to wait before the device goes to sleep when it's plugged in and when it's on battery.

3D View

3D View page in Windows Device Portal on Microsoft HoloLens

Use the 3D View page to see how HoloLens interprets your surroundings. Navigate the view by using the mouse:

• Rotate: left click + mouse;
• Pan: right click + mouse;
• Zoom: mouse scroll.
• Tracking options
  • Turn on continuous visual tracking by checking Force visual tracking.
  • Pause stops visual tracking.
• View options: Set options on the 3D view:
  • Tracking: Indicates whether visual tracking is active.
  • Show floor: Displays a checkered floor plane.
  • Show frustum: Displays the view frustum.
  • Show stabilization plane: Displays the plane that HoloLens uses for stabilizing motion.
  • Show mesh: Displays the spatial mapping mesh that represents your surroundings.
  • Show spatial anchors: Displays spatial anchors for the active app. You must click the Update button to get and refresh the anchors.
  • Show details: Displays hand positions, head rotation quaternions, and the device origin vector as they change in real time.
  • Full screen button: Shows the 3D View in full screen mode. Press ESC to exit full screen view.
• Surface reconstruction: Click or tap Update to display the latest spatial mapping mesh from the device. A full pass may take some time to complete (up to a few seconds). The mesh does not update automatically in the 3D view, and you must manually click Update to get the latest mesh from the device. Click Save to save the current spatial mapping mesh as an obj file on your PC.
• Spatial anchors: Click Update to display or update the spatial anchors for the active app.

Map Manager

Map Manager allows you to share maps across devices, which can be used to setup shared experiences for Location Based Entertainment customers. The tool allows you to import and export system maps and anchors.

To access the Map Manager, log into the Device Portal and select Mixed Reality -> Map Manager:

Map Manager page in Windows Device Portal on Microsoft HoloLens

Exporting and importing maps

To export maps, click Export System Map & Anchors. This could take a while so be prepared to wait for 30-60 seconds while the map is exported. Once it's complete, the file will be downloaded in your browser.

To import maps and anchors, click Upload a map file and Upload an anchor file respectively and select a map or anchor file that you've already exported. The uploaded map or anchor file can come from your or any other HoloLens device.

Note

On HoloLens, it's also possible to import and export the spatial mapping data base. However, this doesn't work on non-HoloLens devices.

Mixed Reality Capture

Mixed Reality Capture page in Windows Device Portal on Microsoft HoloLens

Use the Mixed Reality Capture page to save media streams from the HoloLens. https://downjfil574.weebly.com/blog/gibson-online-casino.

• Capture Settings: Control the media streams that are captured by checking the following settings:
  • Holograms: Captures the holographic content in the video stream. Holograms are rendered in mono, not stereo.
  • PV camera: Captures the video stream from the photo/video camera.
  • Mic Audio: Captures audio from the microphone array.
  • App Audio: Captures audio from the currently running app.
  • Render from Camera: Aligns the capture to be from the perspective of the photo/video camera, if supported by the running app (HoloLens 2 only).
  • Live preview quality: Select the screen resolution, frame rate, and streaming rate for the live preview.
• Audio Settings (HoloLens 2 only):
  • Audio Media Category: Select the category is used when processing the microphone. Default will include some of the environment whereas Communications applies background noise cancellation.
  • App Audio Gain: The gain applied to app audio's volume.
  • Mic Audio Gain: The gain applied to mic audio's volume.
• Photo and Video Settings (HoloLens 2, version 2004 or later):
  • Capture Profile: Select the profile used when taking photos and videos. The profile determines which resolutions and frame-rates are available.
  • Photo Resolution: The resolution the photo will be taken with.
  • Video Resolution and Frame-rate: The resolution and frame-rate the video will be taken with.
  • Video Stabilization Buffer: The buffer size used when taking a video. The higher the value, the better it can compensate for quick movements.
• Click or tap the Live preview button to show the capture stream. Stop live preview stops the capture stream.
• Click or tap Record to start recording the mixed-reality stream, using the specified settings. Stop recording ends the recording and saves it.
• Click or tap Take photo to take a still image from the capture stream.
• Click or tap Restore Default Settings to restore the default settings for audio, photo, and video settings.
• Videos and photos: Shows a list of video and photo captures taken on the device.

All settings on this page apply to captures taken using Windows Device Portal, but some additionally apply to System MRC (start menu, hardware buttons, global voice commands, Miracast) and to custom MRC Recorders.

Note

There are limitations to simultaneous MRC:

• If an app tries to access the photo/video camera while Windows Device Portal is recording a video, the video recording will stop.
  • HoloLens 2 will not stop recording video if the app accesses the photo/video camera with SharedReadOnly mode.
• If an app is actively using the photo/video camera, Windows Device Portal is able to take a photo or record a video.
• Live streaming:
  • HoloLens (1st gen) prevents an app from accessing the photo/video camera while live streaming from Windows Device Portal.
  • HoloLens (1st gen) will fail to live stream if an app is actively using the photo/video camera.
  • HoloLens 2 automatically stops live streaming when an app tries to access the photo/video camera in ExclusiveControl mode.
  • HoloLens 2 is able to start a live stream while an app is actively using the PV camera.

Performance Tracing

Performance Tracing page in Windows Device Portal on Microsoft HoloLens

Capture Windows Performance Recorder (WPR) traces from your HoloLens.

• Available profiles: Select the WPR profile from the dropdown, and click or tap Start to start tracing.
• Custom profiles: Click or tap Browse to choose a WPR profile from your PC. Click or tap Upload and start to start tracing.

To stop the trace, click the stop link. Stay on this page until the trace file has completed downloading.

Captured ETL files can be opened for analysis in Windows Performance Analyzer.

Processes

Processes page in Windows Device Portal on Microsoft HoloLens

Shows details about currently running processes. This includes both apps and system processes.

System Performance

System Performance page in Windows Device Portal on Microsoft HoloLens

Shows real-time graphs of system diagnostic info, like power usage, frame rate, and CPU load.

These are the available metrics:

• SoC power: Instantaneous system-on-chip power utilization, averaged over one minute
• System power: Instantaneous system power utilization, averaged over one minute
• Frame rate: Frames per second, missed VBlanks per second, and consecutive missed VBlanks
• GPU: GPU engine utilization, percent of total available
• CPU: percent of total available
• I/O: Reads and writes
• Network: Received and sent
• Memory: Total, in use, committed, paged, and non-paged

Apps

Apps page in Windows Device Portal on Microsoft HoloLens

Manages the apps that are installed on the HoloLens.

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• Installed apps: Remove and start apps.
• Running apps: Lists apps that are running currently.
• Install app: Select app packages for installation from a folder on your computer/network.
• Dependency: Add dependencies for the app you are going to install.
• Deploy: Deploy the selected app + dependencies to the HoloLens.

App Crash Dumps

App Crash Dumps page in Windows Device Portal on Microsoft HoloLens

This page allows you to collect crash dumps for your side-loaded apps. Check the Crash Dumps Enabled checkbox for each app for which you want to collect crash dumps. Return to this page to collect crash dumps. Dump files can be opened in Visual Studio for debugging.

File Explorer

File Explorer page in Windows Device Portal on Microsoft HoloLens

Use the file explorer to browse, upload, and download files. You can work with files in the Documents folder, Pictures folder, and in the local storage folders for apps that you deployed from Visual Studio or the Device Portal. Blades of time limited edition 1 0. Duke of alpha centauri 1 0.

Kiosk Mode

Note

Kiosk mode is only available with the Microsoft HoloLens Commercial Suite.

Check the Set up HoloLens in kiosk mode article in Windows IT Pro Center for up-to-date instructions on enabling kiosk mode via Windows Device Portal.

Logging

Logging page in Windows Device Portal on Microsoft HoloLens

Manages realtime Event Tracing for Windows (ETW) on the HoloLens.

Check Hide providers to show the Events list only.

• Registered providers: Select the ETW provider and the tracing level. Tracing level is one of these values:
  1. Abnormal exit or termination
  2. Severe errors
  3. Warnings
  4. Non-error warnings

Click or tap Enable to start tracing. The provider is added to the Enabled Providers dropdown.

• Custom providers: Select a custom ETW provider and the tracing level. Identify the provider by its GUID. Don't include brackets in the GUID.
• Enabled providers: Lists the enabled providers. Select a provider from the dropdown and click or tap Disable to stop tracing. Click or tap Stop all to suspend all tracing.
• Providers history: Shows the ETW providers that were enabled during the current session. Click or tap Enable to activate a provider that was disabled. Click or tap Clear to clear the history.
• Events: Lists ETW events from the selected providers in table format. This table is updated in real time. Beneath the table, click the Clear button to delete all ETW events from the table. This does not disable any providers. You can click Save to file to export the currently collected ETW events to a CSV file locally.
• Filters: Allow you to filter the ETW events collected by ID, Keyword, Level, Provider Name, Task Name, or Text. You can combine several criteria together:
  1. For criteria applying to the same property, events that can satisfy any one of these criteria are shown.
  2. For criteria applying to a different property, events must satisfy all of the criteria

For example, you can specify the criteria (Task Name contains 'Foo' or 'Bar') AND (Text contains 'error' or 'warning')

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Simulation

Simulation page in Windows Device Portal on Microsoft HoloLens

Allows you to record and play back input data for testing.

• Capture room: Used to download a simulated room file that contains the spatial mapping mesh for the user's surroundings. Name the room and then click Capture to save the data as a .xef file on your PC. This room file can be loaded into the HoloLens emulator.
• Recording: Check the streams to record, name the recording, and click or tap Record to start recoding. Perform actions with your HoloLens and then click Stop to save the data as a .xef file on your PC. This file can be loaded on the HoloLens emulator or device.
• Playback: Click or tap Upload recording to select a xef file from your PC and send the data to the HoloLens.
• Control mode: Select Default or Simulation from the dropdown, and click or tap the Set button to select the mode on the HoloLens. Choosing 'Simulation' disables the real sensors on your HoloLens and uses uploaded simulated data instead. If you switch to 'Simulation', your HoloLens will not respond to the real user until you switch back to 'Default'.

Networking

Networking page in Windows Device Portal on Microsoft HoloLens

Manages Wi-Fi connections on the HoloLens.

• WiFi adapters: Select a Wi-Fi adapter and profile by using the dropdown controls. Click or tap Connect to use the selected adapter.
• Available networks: Lists the Wi-Fi networks that the HoloLens can connect to. Click or tap Refresh to update the list.
• IP configuration: Shows the IP address and other details of the network connection.

Virtual Input

Virtual Input page in Windows Device Portal on Microsoft HoloLens

Sends keyboard input from the remote machine to the HoloLens.

Click or tap the region under Virtual keyboard to enable sending keystrokes to the HoloLens. Type in the Input text textbox and click or tap Send to send the keystrokes to the active app.

Device Portal REST API's

Everything in the device portal is built on top of REST API's that you can optionally use to access the data and control your device programmatically.

Troubleshooting

How to fix the 'It's lonely here' message

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Note

Going from a HoloLens 2 to HoloLens (1st gen) may cause the pages to become lonely if used on the HoloLens 2 prior to use on the HoloLens (1st gen).

1. Select Reset layout from the top-left Menu:

1. Click Reset layout under the Reset workspace heading. The portal page will automatically refresh and display your content.