Windows has a built-in service Network Connectivity Status Indicator (NCSI), which determines the current network status and whether the computer has Internet access. Based on the results of these connectivity tests, Windows displays status messages such as No Internet, secured for Wi-Fi connections or No Internet access for Ethernet connections. However, there are situations where Windows reports that no Internet connection is available even though the computer can successfully access websites and other external resources.
Windows Server: Administration Guides
Step-by-step tutorials and comprehensive courses covering Windows Server installation, configuration, administration, and management. Learn to deploy server roles, manage Active Directory, configure networking, automate tasks with PowerShell, and implement security best practices for Windows Server 2012, 2016, 2019, and 2022 editions. Ideal for beginners and IT professionals seeking practical, hands-on knowledge to master Windows Server environments.
Windows 10 and 11 Tutorials for System Administrators
Guides and technical tutorials for system administrators, focusing on the configuration, deployment, and management of Windows 10 and Windows 11 desktop operating systems. Step-by-step instructions on installation, deployment, policy configuration, security hardening, and administrative tools to optimize Windows enterprise environments.
Group Policy (GPO) Guides for Admins
Clear, concise tutorials on creating and managing Group Policy Objects to control user and computer settings, enforce security, and streamline network administration in Active Directory environments.
- Configuring Firewall Rules With Group Policy
- How to Copy Files or Folders to All Computers with GPO
- Updating Group Policy Administrative Templates (ADMX) Files
- Active Directory Password Policy
- Applying Group Policy troubleshooting guidance
- Deploying printers via GPO
- Running PowerShell scripts using Group Policy
- Local Groups Policies export and import on Windows
Active Directory: Setup, Configuration, and Best Practices
Step-by-step tutorials and comprehensive resources for installing, configuring, and managing Active Directory Domain Services (AD DS). Learn how to set up domain controllers, design forest and domain structures, create users and groups, and implement security best practices.
- Updating AD Group Membership Without Restart or Logoff
- How to Detect the Source of Account Lockout in Active Directory
- Adding an Additional Domain Controller To an Existing AD Domain
- Active Directory Health Check
- Get-ADDomainController: How to Get Domain Controller Information with Powershell
- How to Transfer os Seize FSMO Roles in Active Directory
- Active Directory Backup Best Practices
- How to Reset Domain Admin Password in Active Directory
- Fix Trust Relationship Failed Issue without Domain Rejoining
- How to Extend Password Expire Date in Active Directory
- How to Find Inactive Accounts in Active Directory
Enterprise Virtualization Platforms
Expert guides and tutorials for system administrators on VMware, Hyper-V, and Proxmox virtualization. Covering installation, configuration, management, and optimization to build robust and scalable virtual environments.
PowerShell Scripting Tutorials
Practical guides to automate and manage a wide range of IT tasks using PowerShell. Learn how to streamline system administration, Active Directory, network configuration, software deployment, Microsoft 365 management, and more through powerful scripting and cmdlets.
VMware:Install and Configure Guides
Detailed walkthroughs for installing VMware ESXi, vCenter Server, and VMware Workstation Player, including configuration of virtual machines, network settings, and storage options to optimize your virtual infrastructure.
- VMware ESXi: Create VMFS Datastore on USB Drives
- Configuring iSCSI Datastore on VMware ESXi
- Add Drivers into VMWare ESXi Installation Image
- Adding Sound Controller to a VMWare VM
- Using Free VMware vSphere Hypervisor
- Adding an ESXi host to the VMware vCenter (vCSA)
- Reset VMware ESXi root password
- Disable the Virtual Machine Auto Suspend Feature in VMware Workstation/Player
- PowerShellWindows Server 2022Windows Server 2025
Inactive TS Ports in Windows: Causes and Fixes
July 21, 2026One common issue when using an RDS/RDP terminal server with local user printers redirected via RD Easy Print mode is the steady growth of orphaned print ports labeled Inactive TS Ports…
- Group PoliciesWindows 10Windows 11
Add Wireless Wi-Fi Profiles on Windows Devices via Export/Import or GPO
July 20, 2026In Windows, you can deploy pre-configured wireless (WLAN) profiles to client computers before they first connect to target Wi-Fi networks. Once a device discovers a matching Wi‑Fi network, it automatically…
CrowdSec is an open-source security engine written in Go. It is often referred to as a modern alternative to Fail2Ban. CrowdSec can analyze server logs, running services, and web applications…
- PowerShellWindows 11
Manage Microsoft Store Apps with Store CLI in Windows 11 from Terminal
July 2, 2026Microsoft recently released a new Store CLI tool, which is a native command-line utility that allows users to interact with the Microsoft Store app in Windows 11 directly from Terminal,…
Windows Sandbox is a built-in feature in Windows 10 and 11 that provides a temporary, lightweight, fully isolated environment for safely testing untrusted applications or opening suspicious files. When the…
In this article, we will explore the specifics of monitoring Windows hosts with Zabbix, from installing the agent and connecting the Windows node to the Zabbix server to collecting metrics…
- Windows 11Windows Server 2025
Fixing Duplicate Security Identifier (SID) Issues in Windows
July 26, 2026Strict uniqueness requirements for local machine Security Identifiers (SIDs) were enforced in security updates released by Microsoft in autumn 2025 for Windows 11 25H2, 24H2, and Windows Server 2025. These…
- PowerShellWindows 11Windows Server 2025
Monitor a Folder for File Changes Using PowerShell and FileSystemWatcher
May 15, 2026If you need to monitor a specific folder/file and trigger an automatic action on changes, use the built-in .NET FileSystemWatcher class instead of relying on classic Windows file-system access auditing.…
- Windows Server 2022Windows Server 2025
Protect Windows Server from DDoS and Brute-Force Attacks with IPBan
May 15, 2026In this article, we’ll look at how to use the IPBan tool to configure Windows Server host protection against DDoS attacks. The idea is to detect failed logons, untargeted or…