Expert Windows Server setup and configuration services to optimise your IT infrastructure, enhance security, and improve network performance
There is nothing more frustrating than booting a client PC into your Microsoft Deployment Toolkit (MDT) environment, preparing to roll out a fresh operating system, and being stopped dead in your tracks by the infamous error: “PCI Driver Error: Connection to Deployment Share could not be made”. Please see Steps to Fix the “Invalid OS…
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Deploying operating systems using Microsoft Deployment Toolkit (MDT) is straightforward until unexpected errors interrupt the process. One common issue you can encounter is the “Invalid OS GUID” error during task sequence execution. Therefore in this guide we will discuss the steps to Fix the “Invalid OS GUID” Error in MDT. Please see Faulting SecHealthUI: Resolve…
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Windows Security (formerly Windows/Microsoft Defender) is a critical component of modern Windows systems. However, you may occasionally encounter issues where SecHealthUI.exe crashes or generates event viewer errors, leading to malfunctioning security notifications. Therefore, we will discuss “Faulting SecHealthUI: Resolve Windows Defender Notification”. Please see how to Update Your AMD Radeon Display Adapter Driver, and how…
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![Secure Boot 2023 Compliance Across WinPE, MDT, WDS, and ADK: Boot Chain Alignment and PXE Validation [Final Part]](https://techdirectarchive.com/wp-content/uploads/2026/06/Secure-Boot-2023-Compliance-for-wds-e1781352448233.jpg)
Since my devices had secure boot update applied (SafeOS), the firmware and Secure Boot policy enforced stricter validation from the PC. While the deployment environment still served older ( mismatched boot files). This mismatch led to PXE failures, as the firmware refuses to execute the boot loaders that did not meet the minimum required version…
In this article, we shall discuss how to Fix broken Repository Path in Veeam Scale-Out Backup Repository. In the past, we fixed a very similar error but we employed a different approach here “Fix missing path and delete a Veeam Backup Repository“. Here is how to leverage Azure Blob Storage as an Object Storage Repo…
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![Fix Operating System Loader failed signature verification” on Dell Safe BIOS Systems via PXE [Part 3]](https://techdirectarchive.com/wp-content/uploads/2026/05/Fix-Operating-System-Loader-failed-signature-verification-e1778595875592.jpg)
This technical deep-dive stems from the guide Update WinPE Boot Images with Windows UEFI CA Certificates [Part 2]. In this guide, we shall discuss “Fix Operating System Loader failed signature verification” on Dell Safe BIOS Systems via PXE [Part 3]”. Since I observed a critical discrepancy during deployment. The devices that had not yet been…
![Update WinPE Boot Images with Windows UEFI CA Certificates [Part 2]](https://techdirectarchive.com/wp-content/uploads/2026/04/how-to-update-WinPE-Boot-Images-with-Windows-UEFI-CA-Cert-e1778595575234.jpg)
Secure Boot embeds into the Unified Extensible Firmware Interface (UEFI) and ensures that the system boots using only software trusted by the hardware vendor. As stated in this blogpost “Enable Secure Boot: Fix Secure Boot certificates expiration [Part 1]“. For 15 years, the Secure Boot certificates that are part of Windows systems will start expiring….
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The Hidden Backdoor: Auditing Domain Controller Ownership with Purple Knight. In today’s threat landscape, Active Directory (AD) remains one of the most critical and most targeted components of enterprise infrastructure. In this guide, we shall discuss “Active Directory Vulnerability Assessment with Purple Knight: Domain Controller Owner Is Not an Administrator”. Please see Set Special File…
In this guide, we shall discuss “AGMP extended support ends April 2026: Find alternative solution“. Microsoft BitLocker Administration and Monitoring (MBAM) and Advanced Group Policy Management (AGPM), both components of the Microsoft Desktop Optimization Pack (MDOP). Have reached their official End of Support today (14/04/2026). Please see How to extend a VM Hard Disk on VMware…
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You can customize the Windows PE (WinPE) boot images included with the Windows ADK by adding drivers, optional components, and the latest cumulative updates, because they include only a minimal set of features and drivers by default. In this guide, we shall discuss “Steps to customize Windows PE boot images”. Please, see how to enable…
In this blog post, you will learn how to fix “Fix unable to contact Server: This may be the server does not exist.” You may have run into this error after performing a swing migration, as described in this blog post “Build a New DC vs Swing Migration: Upgrade Server OS Correctly“. Plase, see AZURE…
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In this blogpost, we will learn how to fix ADDS already contain a computer account. This issue can occur after a swing migration, such as the one outlined in “Build a New DC vs Swing Migration: Upgrade Server OS Correctly“. Replacing a Domain Controller (DC) hardware is one of those tasks that looks simple but…
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If you have created a VM on Hyper-V, Proxmox, VMware, or XCP-ng and want to reinstall Windows, you don’t need to delete the VM or recreate it. In this guide, we will show you how to reinstall Windows directly on an existing VM while keeping the VM configuration intact. Therefore, in this guide, we will…
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