How to Silently Install LsAgent

Get a reliable rollout and predictable detection for LsAgent with this practical silent-install guide for Windows. Built for IT admins managing machine-wide deployments that require admin rights, it focuses on the verified silent install command and the key packaging details needed to deploy confidently with Intune, SCCM, or PDQ. You’ll also have the essentials to validate installation behavior and use the available detection rule so LsAgent can be delivered consistently across managed endpoints.

Lansweeper.LsAgent.12.6.3.3.X64.exe --mode unattended --unattendedmodeui none

Overview

Silent install steps

Run any one of the methods below to install LsAgent silently with zero user interaction. Command Prompt and PowerShell produce the same result — use whichever fits your deployment workflow.

Method 1: Install with Command Prompt

1. Download or stage the installer (Lansweeper.LsAgent.12.6.3.3.X64.exe) to a local folder, for example C:\Installers.

2. Open Command Prompt as Administrator:
   Press Start→Type cmd→Right-click Command Prompt→Choose Run as administrator

3. Switch to the installer folder, then run the silent install command:

Lansweeper.LsAgent.12.6.3.3.X64.exe --mode unattended --unattendedmodeui none

C:\> cd /d "C:\Installers"C:\Installers> Lansweeper.LsAgent.12.6.3.3.X64.exe --mode unattended --unattendedmodeui noneInstalling LsAgent 12.6.3.3…100%Installation complete — exit code 0.C:\Installers> ▋

Method 2: Install with PowerShell

Run the same silent install through PowerShell (elevated).

1. Download or stage the installer (Lansweeper.LsAgent.12.6.3.3.X64.exe) to a local folder, for example C:\Installers.

2. Open PowerShell as Administrator — right-click Start (or press Win+X), then:
   • On Windows 10: choose Windows PowerShell (Admin).
   • On Windows 11: choose Terminal (Admin) — it opens Windows Terminal running PowerShell.

3. Run the command:

Start-Process -FilePath Lansweeper.LsAgent.12.6.3.3.X64.exe -ArgumentList '--mode unattended --unattendedmodeui none' -Wait

PS C:\> Set-Location 'C:\Installers'PS C:\Installers> Start-Process -FilePath Lansweeper.LsAgent.12.6.3.3.X64.exe -ArgumentList '--mode unattended --unattendedmodeui none' -WaitInstalling LsAgent 12.6.3.3…100%Installation complete — exit code 0.PS C:\Installers> ▋

Deployment Notes

Key facts to confirm before rolling this out to production machines — permissions required, scope of install, and reboot behavior.

Detection Rules

Configure your deployment tool with the detection rule below to confirm a successful install of LsAgent. The same rule work for Microsoft Intune, SCCM, PDQ Deploy, and most RMM platforms — just paste the values into the matching fields.

File detection

PowerShell detection script

Prefer a script-based check? Use this as a custom detection script in Microsoft Intune (or any tool that supports detection scripts). It exits 0 when LsAgent is detected and 1 otherwise.

$Path = "$env:ProgramFiles\LansweeperAgent\LansweeperAgentService.exe"
if (Test-Path $Path) {
    $Version = (Get-Item $Path).VersionInfo.ProductVersion
    if ($Version -eq '12.6.3.3') { exit 0 }
}
exit 1

Silent Uninstall Steps

Remove LsAgent silently from one machine or your entire fleet. The commands below uninstall without prompts and suppress automatic reboots so you control the timing.

Method 1: Uninstall with Command Prompt

Run the uninstall command from an elevated Command Prompt.

1. Open Command Prompt as Administrator.
2. Run the silent uninstall command.

"%ProgramFiles(x86)%\LansweeperAgent\uninstall.exe" --mode unattended

Method 2: Uninstall with PowerShell

Run the same silent uninstall command through PowerShell.

1. Open PowerShell as Administrator.
2. Run the silent uninstall command.

Start-Process -FilePath "%ProgramFiles(x86)%\LansweeperAgent\uninstall.exe" -ArgumentList '--mode unattended' -Wait

Deployment Examples

Drop one of the snippets below into your deployment tool, Group Policy, or scheduled task. Each script wraps the silent install command for LsAgent as a batch file or PowerShell script — copy, save, and run.

Batch file example

Save the following content as install-lsagent.bat in the same folder as the installer.

@echo off
cd /d "%~dp0"
Lansweeper.LsAgent.12.6.3.3.X64.exe --mode unattended --unattendedmodeui none
exit /b %errorlevel%

PowerShell script example

Save the following content as install-lsagent.ps1 in the same folder as the installer.

Set-Location -Path $PSScriptRoot
$Installer = 'Lansweeper.LsAgent.12.6.3.3.X64.exe'
& $Installer --mode unattended --unattendedmodeui none
exit $LASTEXITCODE

Frequently asked questions

Troubleshooting

If the install fails, exits with a non-zero code, or leaves no trace on the target machine, work through the checks below. Most issues come down to permissions, paths, or exit code handling.