Update WinPE Boot Images with Windows UEFI CA Certificates [Part 2]

27/04/202628/04/2026

Update WinPE Boot Images with Windows UEFI CA Certificates [Part 2]

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….

Windows Server

How to perform Tape Drive Cleaning in Practice

23/04/202627/04/2026

matheusgiovanini No Comments

In this article, we shall discuss how to perform Tape Drive Cleaning in Practice. When working with tape environments in Veeam Backup for Tape, cleaning is often treated as a routine task. However, in practice, it plays a much bigger role than most people expect. Over time, I’ve seen stable environments suddenly start presenting errors,…

Network | Monitoring

Active Directory Vulnerability Assessment with Purple Knight: Domain Controller Owner Is Not an Administrator

16/04/202616/04/2026

Link State No Comments

Active Directory Vulnerability Assessment with Purple Knight: Domain Controller Owner Is Not an Administrator

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…

Windows Server

AGMP extended support ends April 2026: Find alternative solution

14/04/202621/04/2026

Christian No Comments

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…

Windows Server

Steps to customize Windows PE boot images

14/04/202627/04/2026

Christian No Comments

Steps to customize Windows PE boot images

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…

Windows, Windows Server

Tape Backup Troubleshooting in Veeam: Real Cases

12/04/202613/04/2026

matheusgiovanini No Comments

In this guide, we will discuss “Tape Backup Troubleshooting in Veeam: Real Cases”. When working with tape environments, tape backup troubleshooting in Veeam is often more complex than it initially appears. Many professionals associate errors directly with faulty media. However, in real-world scenarios, issues often originate from hardware behavior, environmental conditions, or subtle physical problems….

Backup

[World Backup Day] V13 Upgrade Failure: Veeam Configuration Backup Saved the Day

04/04/202604/04/2026

Christian No Comments

In-place upgrades represent the standard and vendor-recommended approach for advancing Veeam Backup & Replication (VBR) to newer releases, ensuring continuity of configuration, and retention of job etc without requiring a full reinstallation. But without a test lab, you are essentially performing a high-wire act. In this Real‑world “V13 Upgrade Failure: Veeam Configuration Backup Saved the…

Backup

Fix unable to contact Server: This may be the server does not exist

01/04/202601/04/2026

Christian No Comments

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…

Windows Server

How to fix ADDS already contain a computer account

01/04/202601/04/2026

Christian No Comments

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…

Windows Server

AZURE Kubernetes Service (AKS) upgrade minor version from 1.32.3 to 1.33.7

26/03/202626/03/2026

Link State No Comments

In this article, we shall discuss the folloing topic “AZURE Kubernetes Service (AKS) upgrade minor version from 1.32.3 to 1.33.7”. Updating a managed Kubernetes environment is rarely just a routine maintenance task. It is a critical operation that directly affects the platform’s stability, security, and the availability of its features. Please, see How to protect…

AWS/Azure/OpenShift

Reset or reinstall Windows Server without deleting the VM

25/03/202601/04/2026

Christian No Comments

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…

Windows Server

Build a New DC vs Swing Migration: Upgrade Server OS Correctly

25/03/202608/04/2026

Christian No Comments

Build a New DC vs Swing Migration: Upgrade Server OS Correctly

Because unsupported operating systems (OS’) introduce security risks and can affect compliance requirements, organizations should migrate to supported versions of Windows Server. In my lab environment, the domain controllers currently run Windows Server 2022 despite not affected. I want to take advantage of the newer capabilities available in Windows Server 2025. To accomplish this, we…

Windows Server

Azure File Sync : How to enable Self-Service restore

16/03/202617/03/2026

Link State No Comments

Azure File Sync : How to enable Self-Service restore

Azure File Sync is a service for centralizing an organization’s file shares in Azure Files while keeping the flexibility, performance, and compatibility of a Windows file server. In this article, we shall discuss “Azure File Sync : How to enable Self-Service restore”. Please, see Unicode Manipulation: CVE-2026-25177 Privilege Escalation in AD, how to replace Veeam…

AWS/Azure/OpenShift