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Author: Christian

Christian, Microsoft MVP, Veeam Vanguard & Legend (2021–2026), VMware vExpert, and Cisco Champion, shares expert guides, how-to tutorials, troubleshooting insights, and technical tips across Windows, Linux, Mac, databases, cloud, networking, hardware, and information security.

Setup Windows Admin Center Modern Gateway for Single Sign-On

Posted on 18/10/202507/04/2026 Christian By Christian No Comments on Setup Windows Admin Center Modern Gateway for Single Sign-On
Setup Windows Admin Center Modern Gateway for Single Sign-On

Windows Admin Center is a browser-based app that the customer self-deploys and uses to manage servers, clusters, hyperconverged infrastructure, and Windows 10 PCs . Recently, we discussed how to upgrade Windows Admin Center 2306 – 2311 and also touched on how to install WACmg 2410. But in this guide, we shall discuss how to setup…

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Windows Server

What is taking up by Synology NAS Volume Space

Posted on 16/10/202516/10/2025 Christian By Christian No Comments on What is taking up by Synology NAS Volume Space
What is taking up by Synology NAS Volume Space

In this guide, we shall discuss how to find what is taking up by Synology NAS Volume Space. According to Synology, volumes provide the basic storage space on your Synology NAS. All of your items such as shared folders, documents, and package data are stored on volumes. Therefore, before you start storing anything on your…

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Storage

Download and update Synology DiskStation NAS to DSM 7.3

Posted on 15/10/202523/10/2025 Christian By Christian No Comments on Download and update Synology DiskStation NAS to DSM 7.3
Download and update Synology DiskStation NAS to DSM 7.3

On October 8, 2025, Synology released DiskStation Manager (DSM) 7.3. This ensures smarter storage management, improved security, and new productivity tools for businesses and home users alike. Therefore, in this article, I will show you the steps on how to download and update Synology DiskStation NAS to DSM 7.3. Please, see how to patch Veeam…

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Storage

Patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165

Posted on 15/10/202520/10/2025 Christian By Christian No Comments on Patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165
Patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165

In this article, we shall discuss how to patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165. Veeam has released a critical security update addressing multiple vulnerabilities in Veeam Backup & Replication and Veeam Agent for Microsoft Windows. This indicates the importance of immediate patching to safeguard enterprise backup infrastructures. Please, see see how to upgrade Veeam…

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Backup

Configure Active Directory-Based Activation (ADBA) for Windows

Posted on 09/10/202507/04/2026 Christian By Christian No Comments on Configure Active Directory-Based Activation (ADBA) for Windows
Configure Active Directory-Based Activation (ADBA) for Windows

Active Directory-Based Activation (ADBA) is a Microsoft Volume Licensing method that automatically activates Windows that are joined to an Active Directory (AD) domain. Here is how to set up and configure the Key Management System (KMS) if you have non-domain joined devices. Therefore, in this guide, we shall discuss how to configure Active Directory-Based Activation…

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Windows Server

How to set up and configure the Key Management System (KMS)

Posted on 09/10/202507/04/2026 Christian By Christian No Comments on How to set up and configure the Key Management System (KMS)
How to set up and configure the Key Management System (KMS)

Key Management Service (KMS), like Multiple Activation Key (MAK) activates Microsoft products such as Windows and Office. You should install the KMS server, also known as the KMS host on a server inside your local network. Note that, KMS clients connect directly to the KMS host to activate both Windows etc. In this guide, we…

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Windows Server

Add additional CC400W Cameras to Synology Surveillance Station

Posted on 07/10/202507/10/2025 Christian By Christian No Comments on Add additional CC400W Cameras to Synology Surveillance Station
Add additional CC400W Cameras to Synology Surveillance Station

In a world where smart surveillance is no longer a luxury but an expectation. The Synology CC400W steps up as a WiFi-enabled, AI-powered camera that aims to offer high resolution, flexible mounting, and intelligent detection without the mess of running cables. Therefor3, in this guide, we shall discuss how to Add additional CC400W Cameras to…

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Backup, Network | Monitoring

Update Veeam Backup for Proxmox Plugin to support PVE 9.0

Posted on 29/09/202529/09/2025 Christian By Christian No Comments on Update Veeam Backup for Proxmox Plugin to support PVE 9.0
Update Veeam Backup for Proxmox Plugin to support PVE 9.0

The Proxmox VE server runs the virtualization platform and provides access to storage, networks, and VMs during backup and restore. With the current release and upgrade to Proxmox 9.0. In order for Veeam to be able to correctly protect the Proxmox workloads, there is a need to update Veeam Backup for Proxmox to support PVE…

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Backup, Virtualization

How to update Proxmox VE 9.0 now Supported by Veeam

Posted on 29/09/202529/09/2025 Christian By Christian No Comments on How to update Proxmox VE 9.0 now Supported by Veeam
How to update Proxmox VE 9.0 now Supported by Veeam

If you have not upgraded yet due to dependencies on Veeam Backup and Replication (VBR). The wait is over as Proxmox Virtual Environment (PVE) 9.0 is now fully supported. It is packed with powerful new capabilities for modern virtualization and software-defined data centers. Whether you are running a home lab or managing enterprise-scale clusters, this…

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Virtualization

Logon Failure: User has not been granted the requested logon type

Posted on 08/09/202507/04/2026 Christian By Christian No Comments on Logon Failure: User has not been granted the requested logon type
Logon Failure: User has not been granted the requested logon type

In this article, we shall discuss how to fix “Logon Failure: the user has not been granted the requested logon type at this computer”. Here is a similar article on this topic “Error 1385: The user has not been granted the requested logon type at this time“. I ran into this error during the cause…

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Windows, Windows Server

Server Certificate could not be updated: Private key does not match

Posted on 08/09/202507/04/2026 Christian By Christian No Comments on Server Certificate could not be updated: Private key does not match
Server Certificate could not be updated: Private key does not match

In this article, we will discuss how to troubleshoot “Server Certificate could not be updated: Private key does not match”, and and determine the root case of this issue. This concern arose during the process of uploading a new SSL/TLS certificate to Trellix ePolicy Orchestrator (ePO) for securing web-based access to the console over the…

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Windows Server

Fix Error 0x87E10BC6 on a PC running Windows non-core Edition

Posted on 03/09/202507/04/2026 Christian By Christian No Comments on Fix Error 0x87E10BC6 on a PC running Windows non-core Edition
Fix Error 0x87E10BC6 on a PC running Windows non-core Edition

In this article, we shall discuss how to Fix Error 0x87E10BC6 on a PC running Windows non-core Edition. The error code 0x87e10bc6 occurs when there is an issue with activating Windows as we will see very shortly. This can be due to various reasons such as server issues, firewall interference, or incorrect product key. Please,…

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Windows, Windows Server

What to know about “Failed to perform Veeam Worker Upgrade”

Posted on 03/09/202529/09/2025 Christian By Christian No Comments on What to know about “Failed to perform Veeam Worker Upgrade”
What to know about “Failed to perform Veeam Worker Upgrade”

Recently, while testing “Backup and Restore Proxmox VE virtual machines with Veeam“. Therefore, i will show you “What to know about “Failed to perform Veeam Worker Upgrade”‘ when you ran into this error. This worker is vital because, without worker(s). The Veeam Backup and Replication server itself would handle the data transfer and help distribute…

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Backup

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