Author: IT Expert

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.

Fix Authentication failed: Invalid credential after installing VSA

Posted on IT Expert By IT Expert No Comments on Fix Authentication failed: Invalid credential after installing VSA
Fix Authentication failed: Invalid credential after installing VSA

In this guide, we shall discuss how to fix Authentication failed: Invalid credential after installing VSA. Please, see how to fix MDT Invalid credentials: The network was not found, and Disable credential Prompts for Remote Desktop Connections. According to Veeam KB4648, the user’s proposed configuration is incomplete and requires several additions to fix the described…

Read More “Fix Authentication failed: Invalid credential after installing VSA” »

Backup

OOTBI Security Best Practices: Enable Honeypot on Object First

Posted on IT Expert By IT Expert No Comments on OOTBI Security Best Practices: Enable Honeypot on Object First
OOTBI Security Best Practices: Enable Honeypot on Object First

In this guide, we shall discuss “OOTBI Security Best Practices: Enable Honeypot on Object First”. To use Honeypot, a new feature available in OOTBI 1.7. You will have to ensure that you have upgraded to this version. See the release Notes, and you will be redirected to the Request form. Please, see how to Configure…

Read More “OOTBI Security Best Practices: Enable Honeypot on Object First” »

Backup, Storage

Unknown Error occurred when installing Veeam Software Appliance

Posted on IT Expert By IT Expert No Comments on Unknown Error occurred when installing Veeam Software Appliance
Unknown Error occurred when installing Veeam Software Appliance

In this guide we shall discuss how to fix “Unknown Error occurred when installing Veeam Software Appliance”. Veeam Backup & Replication v13 also referred to Veeam Software Appliance v13 introduces a fully 64-bit architecture, delivering significant improvements in performance, scalability, and memory efficiency. Please, see how to setup Veeam Software Appliance v13, Deep Dive into…

Read More “Unknown Error occurred when installing Veeam Software Appliance” »

Backup

How to Resize or Expand Proxmox Hard Drive

Posted on IT Expert By IT Expert No Comments on How to Resize or Expand Proxmox Hard Drive
How to Resize or Expand Proxmox Hard Drive

In Proxmox, “resizing a disk” means adjusting the logical capacity of the VM’s virtual drive. You do this to give a VM more space (expand). In this guide, we shall discuss how to resize or Expand Proxmox Hard Drive. Please, see How to delete a VM and Storage in Proxmox, How to extend a VM…

Read More “How to Resize or Expand Proxmox Hard Drive” »

Virtualization

Offline and Online Update for Object First Out-of-the-Box Cluster

Posted on IT Expert By IT Expert No Comments on Offline and Online Update for Object First Out-of-the-Box Cluster
Offline and Online Update for Object First Out-of-the-Box Cluster

Object First OOTBI updates enhance the system’s security, management, and monitoring capabilities. In the past, I have written on how to update Object First OOTBI Cluster via the IPMI and ObjectFirst dashboard. But in this post, we shall discuss how to perform Offline and Online Update for Object First Out-of-the-Box Cluster. Please, see how to…

Read More “Offline and Online Update for Object First Out-of-the-Box Cluster” »

Windows Server

Add Synology NFS Storage to Proxmox VE for VMs and Backups

Posted on IT Expert By IT Expert No Comments on Add Synology NFS Storage to Proxmox VE for VMs and Backups
Add Synology NFS Storage to Proxmox VE for VMs and Backups

In this guide, we shall discuss how to add Synology NFS Storage to Proxmox VE for VMs and Backups. When integrating a Synology NAS with Proxmox VE. NFS provides a convenient and flexible storage solution for virtual machines, ISO images, templates, and backups. Please, see How to setup Veeam Software Appliance v13, how to install…

Read More “Add Synology NFS Storage to Proxmox VE for VMs and Backups” »

Storage, Virtualization

How to setup Veeam Software Appliance v13

Posted on IT Expert By IT Expert No Comments on How to setup Veeam Software Appliance v13
How to setup Veeam Software Appliance v13

Veeam Software Appliance (VSA) v13 represents a significant advancement in data protection. VSA v13 offering a streamlined, secure, and efficient solution for modern IT environments. Therefore, this guide will discuss how to setup Veeam Software Appliance v13. Please, see How to Configure Object First OOTBI Appliance, “Object First OOTBI Appliance Unboxing and Quick Setup“, and…

Read More “How to setup Veeam Software Appliance v13” »

Backup

Troubleshooting WinRM and Kerberos Delegation for WAC

Posted on IT Expert By IT Expert No Comments on Troubleshooting WinRM and Kerberos Delegation for WAC
Troubleshooting WinRM and Kerberos Delegation for WAC

Windows Admin Center (WAC) is a browser-based management tool. WAC simplifies the administration of servers, clusters, Windows PCs, and Azure virtual machines. In this article, we shall discuss “Troubleshooting WinRM and Kerberos Delegation for WAC”. How to upgrade Windows Admin Center 2306 – 2311: Install WACmg 2410. Here is how to setup Windows Admin Center…

Read More “Troubleshooting WinRM and Kerberos Delegation for WAC” »

Windows Server

Setup Windows Admin Center Modern Gateway for Single Sign-On

Posted on IT Expert By IT Expert 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…

Read More “Setup Windows Admin Center Modern Gateway for Single Sign-On” »

Windows Server

What is taking up by Synology NAS Volume Space

Posted on IT Expert By IT Expert 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…

Read More “What is taking up by Synology NAS Volume Space” »

Storage

Download and update Synology DiskStation NAS to DSM 7.3

Posted on IT Expert By IT Expert 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…

Read More “Download and update Synology DiskStation NAS to DSM 7.3” »

Storage

Patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165

Posted on IT Expert By IT Expert 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…

Read More “Patch Veeam Backup and replication 12.3.2.3617 to 12.3.2.4165” »

Backup

Configure Active Directory-Based Activation (ADBA) for Windows

Posted on IT Expert By IT Expert 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…

Read More “Configure Active Directory-Based Activation (ADBA) for Windows” »

Windows Server