Install MDT

Microsoft Deployment Toolkit has been officially retired by Microsoft. Install it only if you have an existing MDT-based workflow that requires it.

MDT Retirement Notice

MDT version 6.3.8456.1000 is the final release. The installer is no longer hosted on Microsoft's servers and must be downloaded from the Internet Archive.

Property	Value
Version	6.3.8456.1000
Architecture	x64
SHA256	dabfd183c525bdb4866d2d9324f064a291ca62f3a16ac429cf3338be529d1d58

---

Install MDT with OSDeploy

The OSDeploy module handles the download, SHA256 verification, and silent installation in a single command. Administrator rights are required.

Preview (no changes made):

Install-OSDeploySoftware -Name 'mdt'

Install:

Install-OSDeploySoftware -Name 'mdt' -Force

Download only (skip installation):

Install-OSDeploySoftware -Name 'mdt' -DownloadOnly -Force

The MSI is cached to C:\ProgramData\OSDeployCore\cache\downloads\Microsoft.DeploymentToolkit_6.3.8456.1000\ and the SHA256 checksum is verified before installation proceeds.

Requires PowerShell 7.6 or later running as Administrator. curl.exe must be available in PATH (included with Windows 10 1803 and later).

---

Install MDT

To install MDT manually, download the MSI from the Internet Archive, verify the SHA256 checksum, and run a silent install with msiexec.

Download:

$mdtUrl = 'https://web.archive.org/web/20250616094712/https://download.microsoft.com/download/3/3/9/339BE62D-B4B8-4956-B58D-73C4685FC492/MicrosoftDeploymentToolkit_x64.msi'
$installerPath = "$env:TEMP\MicrosoftDeploymentToolkit_x64.msi"

curl.exe --location --output $installerPath --url $mdtUrl

Verify SHA256:

$expectedSha256 = 'dabfd183c525bdb4866d2d9324f064a291ca62f3a16ac429cf3338be529d1d58'
$actualSha256 = (Get-FileHash -Path $installerPath -Algorithm SHA256).Hash.ToLowerInvariant()

if ($actualSha256 -ne $expectedSha256) {
    throw "Checksum mismatch. Expected $expectedSha256 but got $actualSha256."
}

Install silently:

Start-Process -FilePath 'msiexec.exe' -ArgumentList '/i', $installerPath, '/qn', '/norestart' -Wait

Administrator rights are required for the msiexec install step.

---

Related

• Microsoft Deployment Toolkit documentation

• MDT Retirement Notice

• Install-OSDeploySoftware