Microsoft Teams Room: Microsoft Store App is not Available

Do you have already been in the situation where you want to fix a problem and you get more and more errors? I struggled to fix my MTR for several days. I want to share the issue with the community and create a reminder for me too 

To give you some context, I got a brand new HP Slice G2 for Microsoft Teams for my lab. After the initial configuration, I ‘m looking to update Microsoft Teams Room App. By default, the device gets the OS and drivers updates from Windows Update and the MTR app from Microsoft Store https://giphy.com/embed/mq5y2jHRCAqMo

First attempt with recovery tools

It seems that my factory Windows 10 image was not correct. Before going deeper on the subject, I checked with my friend Eudes-Olivier (which has published a great article about new features on MTR ). Normally the Store app is available, so the solution is might be to apply a new image.

First I used the HP recovery tools to reset and I got the same result! The Store app was not there. I tried with different configurations like for example change the region and language during OOBE.

Second attempt with Microsoft deployment tools

Microsoft has documentation to deploy a Teams Room from scratch with a Windows 10 image. All the process is described here: https://docs.microsoft.com/en-us/microsoftteams/rooms/console

You need to download a Powershell script and it creating an image ready to install with the latest updates. You can boot on it and the installation is automatic.

After several reboots, my MTR was enable to start and i got the following error : “Windows could not complete the installation. To install Windows on this computer, restart the installation.

I tried to reinstall several times but no success. Finally, the issue was very specific and caused by Audit Mode. This a Windows feature that helps manufacturers and IT to automate or customize the deployment of Windows.

  1. On the error message, press shift + F10 to launch a command prompt window. You are connected as a local admin.
  2. Enter Regedit and navigate to HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status
  3. Set the following keys
KeyValue
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\AuditBoot   0
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\ChildCompletion\setup.exe3
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\ChildCompletion\audit.exe0
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\SysprepStatus\CleanupState2
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\SysprepStatus\GeneralizationState7
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\UnattendPasses\auditSystem0

You can now reboot the MTR and it’s normally starting on the default installation wizard.

About the Author:

MVP Office Apps and Services (Microsoft Teams)

Reference:

Conia, A. (2020). Microsoft Teams Room: Microsoft Store App is not available. Available at: https://www.xpanduc.com/2020/08/07/microsoft-teams-room-microsoft-store-app-is-not-available/ [Accessed: 26th November 2020].

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