Add Win2025-Sysprep template files

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# Win2025-Sysprep
Files for building a reusable `Win2025-Sysprep` template for vSphere, Terraform, and Ansible Semaphore.
## Included
- `scripts/Prepare-Win2025Sysprep.ps1` prepares Windows Server 2025 for templating.
- `files/unattend.xml` is the answer file used by `sysprep`.
## Manual prep before running the script
1. Install Windows Server 2025 in a dedicated VM.
2. Install VMware Tools.
3. Sign in as local `Administrator`.
4. Apply Windows updates and any baseline OS settings you want baked into the template.
5. Copy this folder to the VM, for example `C:\Build\Win2025-Sysprep`.
## What the script does
- enables WinRM for Ansible;
- opens firewall rules for WinRM and RDP;
- enables RDP;
- enables the built-in `Administrator` account;
- switches network profiles to `Private` when possible;
- cleans temporary files;
- generates `unattend.xml`;
- runs `sysprep /generalize /oobe /shutdown`.
## Run
Open PowerShell as Administrator and run:
```powershell
Set-ExecutionPolicy Bypass -Scope Process -Force
cd C:\Build\Win2025-Sysprep
.\scripts\Prepare-Win2025Sysprep.ps1
```
If you want OpenSSH installed too:
```powershell
.\scripts\Prepare-Win2025Sysprep.ps1 -InstallOpenSsh
```
If you want a different timezone:
```powershell
.\scripts\Prepare-Win2025Sysprep.ps1 -TimeZone "Russian Standard Time"
```
## After the VM shuts down
1. Confirm the VM is powered off in vSphere.
2. Convert the VM to a template.
3. Name the template `Win2025-Sysprep`.
4. Use that name in Terraform variable `vm_template`.
## Checklist before converting to template
- VMware Tools are installed and healthy.
- WinRM is responding.
- The VM shut down because of `sysprep`.
- The VM is not domain joined.
- No machine-specific secrets or unique data remain on the server.
## Quick WinRM check
Before running `sysprep`, you can verify locally:
```powershell
winrm enumerate winrm/config/listener
Test-WSMan
```
## Notes
- The computer name inside the source VM is not important because Terraform `windows_options` will rename cloned VMs.
- Do not join the template to the domain in advance.
- If you plan to use WinRM over HTTPS, it is usually better to issue the certificate after cloning, not inside the golden image.
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<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
<settings pass="generalize">
<component name="Microsoft-Windows-PnpSysprep" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="" versionScope="nonSxS">
<PersistAllDeviceInstalls>true</PersistAllDeviceInstalls>
<DoNotCleanUpNonPresentDevices>true</DoNotCleanUpNonPresentDevices>
</component>
<component name="Microsoft-Windows-Security-SPP" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="" versionScope="nonSxS">
<SkipRearm>1</SkipRearm>
</component>
</settings>
<settings pass="oobeSystem">
<component name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="" versionScope="nonSxS">
<InputLocale>en-US</InputLocale>
<SystemLocale>en-US</SystemLocale>
<UILanguage>en-US</UILanguage>
<UserLocale>en-US</UserLocale>
</component>
<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="" versionScope="nonSxS">
<TimeZone>__TIME_ZONE__</TimeZone>
<OOBE>
<HideEULAPage>true</HideEULAPage>
<HideLocalAccountScreen>true</HideLocalAccountScreen>
<HideOEMRegistrationScreen>true</HideOEMRegistrationScreen>
<HideOnlineAccountScreens>true</HideOnlineAccountScreens>
<HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
<NetworkLocation>Work</NetworkLocation>
<ProtectYourPC>3</ProtectYourPC>
</OOBE>
<RegisteredOwner>Infrastructure</RegisteredOwner>
<RegisteredOrganization>Automation</RegisteredOrganization>
</component>
</settings>
</unattend>
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[CmdletBinding()]
param(
[string]$TimeZone = "UTC",
[switch]$InstallOpenSsh
)
$ErrorActionPreference = "Stop"
$root = Split-Path -Parent $PSScriptRoot
$unattendTemplate = Join-Path $root "files\\unattend.xml"
$generatedUnattend = "C:\\Windows\\Panther\\Unattend.xml"
function Write-Step {
param([string]$Message)
Write-Host "==> $Message" -ForegroundColor Cyan
}
function Ensure-AdministratorEnabled {
Write-Step "Enabling built-in Administrator account"
& net user Administrator /active:yes | Out-Null
}
function Enable-RemoteDesktop {
Write-Step "Enabling Remote Desktop"
Set-ItemProperty -Path "HKLM:\\System\\CurrentControlSet\\Control\\Terminal Server" -Name "fDenyTSConnections" -Value 0
Enable-NetFirewallRule -DisplayGroup "Remote Desktop" | Out-Null
}
function Enable-WinRmForAnsible {
Write-Step "Configuring WinRM"
winrm quickconfig -quiet | Out-Null
Set-Item -Path WSMan:\localhost\Service\AllowUnencrypted -Value $true
Set-Item -Path WSMan:\localhost\Service\Auth\Basic -Value $true
Set-Item -Path WSMan:\localhost\Service\Auth\Kerberos -Value $true
Restart-Service WinRM
}
function Set-NetworkProfilesPrivate {
Write-Step "Switching detected network profiles to Private where possible"
Get-NetConnectionProfile | ForEach-Object {
if ($_.NetworkCategory -ne "Private") {
Set-NetConnectionProfile -InterfaceIndex $_.InterfaceIndex -NetworkCategory Private
}
}
}
function Ensure-FirewallRules {
Write-Step "Opening firewall for WinRM"
Enable-NetFirewallRule -Name "WINRM-HTTP-In-TCP" -ErrorAction SilentlyContinue | Out-Null
}
function Install-OpenSshServer {
Write-Step "Installing OpenSSH Server"
Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0 | Out-Null
Set-Service -Name sshd -StartupType Automatic
Start-Service sshd
if (Get-NetFirewallRule -Name "OpenSSH-Server-In-TCP" -ErrorAction SilentlyContinue) {
Enable-NetFirewallRule -Name "OpenSSH-Server-In-TCP" | Out-Null
}
}
function Clear-TemporaryFiles {
Write-Step "Cleaning temporary files"
Get-ChildItem -Path "$env:TEMP" -Force -ErrorAction SilentlyContinue | Remove-Item -Force -Recurse -ErrorAction SilentlyContinue
Get-ChildItem -Path "C:\\Windows\\Temp" -Force -ErrorAction SilentlyContinue | Remove-Item -Force -Recurse -ErrorAction SilentlyContinue
}
function Write-UnattendFile {
Write-Step "Generating unattend file"
$content = Get-Content -Path $unattendTemplate -Raw
$content = $content.Replace("__TIME_ZONE__", $TimeZone)
Set-Content -Path $generatedUnattend -Value $content -Encoding UTF8
}
function Run-Sysprep {
Write-Step "Running sysprep"
$sysprepExe = "C:\\Windows\\System32\\Sysprep\\Sysprep.exe"
$arguments = "/oobe /generalize /shutdown /unattend:$generatedUnattend"
Start-Process -FilePath $sysprepExe -ArgumentList $arguments -Wait
}
Write-Step "Starting Windows Server 2025 template preparation"
Ensure-AdministratorEnabled
Set-NetworkProfilesPrivate
Enable-WinRmForAnsible
Ensure-FirewallRules
Enable-RemoteDesktop
if ($InstallOpenSsh) {
Install-OpenSshServer
}
Clear-TemporaryFiles
Write-UnattendFile
Run-Sysprep