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Capturing a Windows 11 screenshot

Applies to: Imaging / Windows Master
Version: All
Environment: On-Premise
Category: Imaging

Background

This procedure allows you to create a Windows 11 master image compatible with the Medulla Imaging module.

The process consists of several steps:

  • Downloading the Windows ISO image
  • Clean installation of the system
  • Preparing the master in Audit mode
  • PXE capture of the image via Medulla
  • Converting the image to a master

Important:
The language of the Windows ISO image must match the purchased Windows license key.

1. Download the Windows ISO image

Download an official Windows ISO image from Microsoft:

Download Windows 11 – Microsoft

Select the version that matches your Windows license.


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2. Installing Windows

Start the virtual machine (or physical machine) using the downloaded Windows ISO, then begin the installation.

Choose the language

Select the language that matches your Windows license.

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Choose a keyboard layout

Select the desired keyboard layout.

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Choose the installation type

Set the installation settings exactly as indicated.

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Skip the product key

Important:
Click:

I don't have a product key

The license will be applied later.

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Select the Windows edition

Note:
Be sure to select the exact version of Windows that matches your license:

  • Windows 11 Pro
  • Windows 11 Enterprise
  • Other licensed version

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Accept the license agreement

Accept the Microsoft license terms.

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Select the installation drive

Select the drive where Windows will be installed.

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Start the installation

Start the installation and wait for the process to complete.


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The computer will restart automatically several times.

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3. Preparing the Windows master

Once the OOBE (Windows initial setup) screen appears:

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CTRL + SHIFT + F3

The machine will automatically reboot into Audit Mode using the local Administrator account.

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Tip:
Leave the System Preparation Tool (Sysprep) window open. It will be used later.

Install Windows updates

Install all the latest updates via:

Windows Update

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Caution:
If a restart is required and the OOBE screen reappears, press the following keys again:

CTRL + SHIFT + F3

Clean up the system

Run the tool:

Disk Cleanup

Check all items, then confirm deletion.

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Disable device encryption

Verify that disk encryption is disabled.

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Wait until the operation is completely finished before continuing.


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Prepare Sysprep

In the System Preparation Tool window:

  • Select “Enter OOBE Mode”
  • Check Generalize
  • Select " Shut down the system"

Then click OK.

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Important:
The machine must be shut down at the end of Sysprep. Do not restart it in Windows.

4. Capturing the image via PXE

Prerequisites

  • The machine must boot from PXE first
  • The DHCP server must point to the Medulla PXE server
  • The Medulla PXE menu must be properly configured

Configure the Medulla PXE menu

In the module:

Imaging → Default boot menu

The menu must include the following services:

  • Continue
  • Backup

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If necessary:

Imaging → Manage boot services

Add the services to the menu, then reorder them.

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Save the machine

Boot the machine via PXE, then select:

Register

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Give the machine a name, then confirm.

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Image the disk

After restarting:

Backup

Wait until the capture is complete.

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Note:
Once the capture is complete, the machine will automatically reboot and the PXE menu will reappear.

You can then shut down the machine.

5. Creating the Master in Medulla

In Medulla:

Computers → All GLPI Computers

Click on:

Imaging management

on the machine used to capture the image.

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Convert the image to Master

In the tab:

Images and Masters

Locate the captured image, then click:

Edit Image

Set:

  • Master Name
  • Description

Click:

Convert to Master → Save

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The master will then be available in:

Imaging → Manage masters

Important

  • Always install Windows updates before running Sysprep
  • Always disable disk encryption before capturing
  • Never restart Windows after running Sysprep
  • The machine must boot via PXE before booting from the local disk

Default settings

Item Value
Recommended OS Windows 11
Preparation Mode Audit Mode
Audit Mode Shortcut CTRL + SHIFT + F3
Sysprep Action OOBE + Generalize + Shut Down
PXE Menu Register, then Backup
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