Private/Test-AddinUninstall.ps1
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function Test-AddinUninstall { [CmdletBinding()] param() try { Write-Output "Checking for Teams package..." $teamsPackage = Get-AppxPackage -Name MSTeams if (-not $teamsPackage) { Write-Error "MSTeams package not found" return $false } Write-Output "Preparing for add-in uninstallation..." $tmaMsiPath = "{0}\MicrosoftTeamsMeetingAddinInstaller.msi" -f $teamsPackage.InstallLocation if (-not (Test-Path $tmaMsiPath)) { Write-Error "Teams meeting add-in MSI not found at: $tmaMsiPath" return $false } Write-Output "MSI Path: $tmaMsiPath" Write-Verbose "Found Teams meeting add-in MSI at: $tmaMsiPath" $logPath = Join-Path $env:TEMP "tma-uninstall.log" Write-Output "Starting uninstallation process..." Write-Verbose "Attempting uninstallation..." $process = Start-Process -FilePath "msiexec.exe" ` -ArgumentList "/x `"$tmaMsiPath`" InstallerVersion=v3 /quiet /l*v `"$logPath`"" ` -PassThru -Wait -ErrorAction Stop if ($process.ExitCode -eq 0) { Write-Output "Initial uninstallation completed successfully" Write-Verbose "Successfully uninstalled Teams meeting add-in" return $true } Write-Output "Initial uninstall returned exit code: $($process.ExitCode)" Write-Verbose "Initial uninstall failed with exit code: $($process.ExitCode)" Write-Output "Starting repair attempt..." Write-Verbose "Attempting repair and retry..." $repairLogPath = Join-Path $env:TEMP "tma-uninstall-repair.log" $repairProcess = Start-Process -FilePath "msiexec.exe" ` -ArgumentList "/fav `"$tmaMsiPath`" /quiet /l*v `"$repairLogPath`"" ` -PassThru -Wait -ErrorAction Stop if ($repairProcess.ExitCode -eq 0) { Write-Output "Repair completed, attempting final uninstall..." Write-Verbose "Repair successful, attempting uninstall again..." $retryLogPath = Join-Path $env:TEMP "tma-uninstall-retry.log" $retryProcess = Start-Process -FilePath "msiexec.exe" ` -ArgumentList "/x `"$tmaMsiPath`" /quiet InstallerVersion=v3 /l*v `"$retryLogPath`"" ` -PassThru -Wait -ErrorAction Stop if ($retryProcess.ExitCode -eq 0) { Write-Output "Final uninstallation successful" Write-Verbose "Retry uninstallation successful" return $true } Write-Error "Final uninstallation failed (Exit: $($retryProcess.ExitCode)). Log: $retryLogPath" } else { Write-Error "Repair failed (Exit: $($repairProcess.ExitCode)). Log: $repairLogPath" } return $false } catch { Write-Error "Uninstallation error: $_" Write-Error "Failed to uninstall Teams meeting add-in: $_" return $false } } |