Exemplo de script do PowerShell-redefinir a configuração do AutoStart no TeamsPowerShell script sample - Reset the autostart setting in Teams

Use este script para redefinir a configuração do AutoStart do teams para cada usuário.Use this script to reset the Teams autostart setting on a per-user basis. Isso inclui quaisquer valores definidos pelo usuário ou pelo aplicativo Teams.This includes any values set by the user or the Teams app. Por padrão, o Microsoft Teams é iniciado automaticamente quando um usuário faz logon no computador após a instalação.By default, Teams automatically starts when a user logs in to their computer after it's installed.

Se você já implantou o Microsoft Teams e deseja definir a configuração impedir que o Microsoft Teams inicie automaticamente após a instalação da política de grupo para desabilitar o AutoStart do Teams, será necessário definir primeiro a configuração de política de grupo como o valor desejado e, em seguida, executar esse script.If you've already deployed Teams and want to set the Prevent Microsoft Teams from starting automatically after installation Group Policy setting to disable Teams autostart, you'll need to first set the Group Policy setting to the value you want, and then run this script.

Depois que o Microsoft Teams for iniciado para um usuário, as configurações do AutoStart não poderão ser desabilitadas usando a política de grupo.After Teams is started for a user, the autostart settings can't be disabled by using Group Policy.

Script de exemploSample script

<#
.SYNOPSIS
This script allows you to reset all autostart settings to the default settings for Teams.
.DESCRIPTION
If you want to use the "Prevent Microsoft Teams from starting automatically after installation"
Group Policy setting, make sure you first set the Group Policy setting to the value you want 
before you run this script.
#>

$ErrorActionPreference = "Stop"

$TeamsDesktopConfigJsonPath = [System.IO.Path]::Combine($env:APPDATA, 'Microsoft', 'Teams', 'desktop-config.json')

$TeamsUpdatePath = [System.IO.Path]::Combine($env:LOCALAPPDATA, 'Microsoft', 'Teams', 'Update.exe')

Function Test-RegistryValue {
    param(
        [Alias("PSPath")]
        [Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
        [String]$Path
        ,
        [Parameter(Position = 1, Mandatory = $true)]
        [String]$Name
    ) 

    process {
        if (Test-Path $Path) {
            $Key = Get-Item -LiteralPath $Path
            if ($null -ne $Key.GetValue($Name, $null)) {
                $true
            } else {
                $false
            }
        } else {
            $false
        }
    }
}

Function Test-Remove-RegistryValue {
    param (
        [Alias("PSPath")]
        [Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
        [String]$Path
        ,
        [Parameter(Position = 1, Mandatory = $true)]
        [String]$Name
    )

    process {
        if (Test-RegistryValue -Path $Path -Name $Name) {
            Write-Host "Removing registry key $Path\$Name"
            Remove-ItemProperty -Path $Path -Name $Name
        }
    }
}

# when determining whether Teams should be auto-started we are checking three flags
Write-Host "Removing Auto-Start-related artifacts"

# 0. Close Teams, if running
$teamsProc = Get-Process -name Teams -ErrorAction SilentlyContinue
if ($null -ne $teamsProc) {
    Write-Host  "Stopping Microsoft Teams..."
    Stop-Process -Name Teams -Force
    # wait some time
    Start-Sleep 5
} else {
    Write-Host  "No running Teams process found"
}

# 1. Check that Teams process isn't still running
$teamsProc = Get-Process -name Teams -ErrorAction SilentlyContinue

if($null -eq $teamsProc) {
    # 2. remove HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\LoggedInOnce registry key
    Test-Remove-RegistryValue -Path "HKCU:\Software\Microsoft\Office\Teams" -Name "LoggedInOnce"

    # 3. remove HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\HomeUserUpn registry key
    Test-Remove-RegistryValue -Path "HKCU:\Software\Microsoft\Office\Teams" -Name "HomeUserUpn"

    # 4. remove HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\DeadEnd registry key
    Test-Remove-RegistryValue -Path "HKCU:\Software\Microsoft\Office\Teams" -Name "DeadEnd"

    # 5. remove HKCU:\Software\Microsoft\Office\Outlook\Addins\TeamsAddin.FastConnect registry key
    Remove-Item -Path "HKCU:\Software\Microsoft\Office\Outlook\Addins\TeamsAddin.FastConnect" -ErrorAction SilentlyContinue

    # 6. restore HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\com.squirrel.Teams.Teams
    if (!(Test-RegistryValue -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name "com.squirrel.Teams.Teams")) {
        Write-Host "Restoring registry key HKCU\Software\Microsoft\Windows\CurrentVersion\Run\com.squirrel.Teams.Teams"
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name "com.squirrel.Teams.Teams" -Value "$TeamsUpdatePath --processStart ""Teams.exe"" --process-start-args ""--system-initiated"""
    }

    # 7. We are checking whether there are entries 'isLoggedOut' and 'openAtLogin' in the desktop-config.json file
    if (Test-Path -Path $TeamsDesktopConfigJsonPath) {
        Write-Host "Changing entries 'guestTenantId', 'isLoggedOut' and 'openAtLogin' in the desktop-config.json, if exist"

        # open desktop-config.json file
        $desktopConfigFile = Get-Content -path $TeamsDesktopConfigJsonPath -Raw | ConvertFrom-Json
        $desktopConfigFile.PSObject.Properties.Remove("guestTenantId")
        $desktopConfigFile.PSObject.Properties.Remove("isLoggedOut")
        try {
            $desktopConfigFile.appPreferenceSettings.openAtLogin = $true
        } catch {
            Write-Host  "openAtLogin JSON element doesn't exist"
        }
        $desktopConfigFile | ConvertTo-Json -Compress | Set-Content -Path $TeamsDesktopConfigJsonPath -Force
    }
} else {
    Write-Host  "Teams process is still running, aborting script execution"
}