Teams Machine-Wide Installer - Download.

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Bulk install Teams using Windows Installer (MSI) - Microsoft Teams | Microsoft Docs. 

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The script is signed, so the user executing the script on each machine will require an execution policy of at least RemoteSigned. When installing the Teams Machine-Wide Installer originally, it could have been installed in 3 main ways, relative to the current user:. For scenario 3 the current user is not "aware" that the MSI has been installed, and so it is not able to do an in-place upgrade.

In this case the script will, by default, exit with an error. If you pass the -AllowInstallOvertopExisting switch into the script, it will permit the script to instead perform an installation of the MSI for the current user. This will overwrite the existing files, allowing them to be updated to the correct version.

If this occurs, however, two different users will have separate installation entries created. If either user uninstalls the Teams Machine-Wide Installer, the files will be removed, and it will be shown as uninstalled for the user performing the uninstall, but the second user will still show an installation entry present, even though the files have been removed.

By default, the script will populate the AllowMsiOverride key only if it does not already exist. Therefore, if your organization wants to push a value of 0 to some users, this value will remain even if the script is ran. If you want to forcibly reset the value back to 1 for all users, you can pass the -OverwritePolicyKey switch.

The CheckMsiOverride. Copy the CheckMsiOverride. Specify a schedule that is appropriate for your organization. If no update is required, the script will make no changes, so there are no issues running it often such as daily.

Determine the version number for this MSI, either by installing locally or extracting the files and looking at the properties of the Teams. If you used the PublishLatestVersion script, the version number is the folder name they are placed into. Have the package execute the script similar to as follows, using the proper location for the script for your package deployment software:. It will also write to the Application event log with the source "TeamsMsiOverride" for any failures, or if an update completed successfully.

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View more ». Download at Microsoft Corporation. Secure and free downloads checked by UpdateStar. Buy now Microsoft Corporation. Stay up-to-date with UpdateStar freeware. Latest News. Related searches. Most popular downloads. All versions. If you deploy an older version of the MSI file, the client will auto-update except in VDI environments when possible for the user.

If a very old version gets deployed, the MSI will trigger an app update before the user is able to use Teams. We don't recommended that you change the default install locations as this could break the update flow.

Having too old a version will eventually block users from accessing the service. Make sure the computers you install Teams on meeting the requirements listed in Hardware requirements for Microsoft Teams. If a user uninstalls Teams from their user profile, the MSI installer will track that the user has uninstalled the Teams app and no longer install Teams for that user profile. To redeploy Teams for this user on a particular computer where it was uninstalled, do the following:.

The next steps contain information about how to modify the registry. Make sure that you back up the registry before you modify it and that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, see Windows registry information for advanced users. You can also use our Teams deployment clean up script to complete steps 1 and 2.

The default behavior of the MSI is to install the Teams app as soon as a user signs in and then automatically start Teams. If you don't want Teams to start automatically for users after it's installed, you can use Group Policy to set a policy setting or disable auto launch for the MSI installer. Enable the Prevent Microsoft Teams from starting automatically after installation Group Policy setting.

This is the recommended method because you can turn off or turn on the policy setting according to your organization's needs. When you enable this policy setting before Teams is installed, Teams doesn't start automatically when users log in to Windows. After a user signs in to Teams for the first time, Teams starts automatically the next time the user logs in. To learn more, see Use Group Policy to prevent Teams from starting automatically after installation.