Using AppLocker security policies, administrators can block or allow specific applications to run on Windows. With Applocker, it is possible to restrict program execution for a specific user group while allowing others, such as administrators, to run them. This guide explains how to create and deploy AppLocker application access policies using GPO.
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 10Windows 11
Enable/Disable Random Hardware (MAC) Address for Wi-Fi on Windows
November 20, 2025Random hardware addressing feature in Windows 10 and 11 enhances privacy and security by generating a unique, randomized MAC address for each Wi-Fi network connection. This feature’s main purpose is…
- PowerShellWindows 11Windows Server 2025
Automate Software and Settings Deployment with WinGet Configure (DSC)
November 20, 2025In addition to installing app packages from the repository, you can use the WinGet package manager for declarative Windows environment configuration. The idea is that the administrator creates a declarative…
- Windows 11Windows Server 2025
SMB over QUIC: Mount File Share over Internet without VPN on Windows Server 2025
November 5, 2025SMB over QUIC is a new feature available on Windows Server 2025 that allows you to configure secure access to a Windows file share over the Internet without using a…
After changing the name of the Windows computer (hostname), I needed to find out its previous (old) computer name.
One of the Windows Server virtual machines has started shutting down automatically every hour without any apparent reason. This behavior typically occurs when an Evaluation edition of Windows is installed…
After uninstalling certain programs or tools, unused services may still be present in Windows. This article explains how to properly remove a service in Windows using the built-in CMD or…
- Windows Server 2019Windows Server 2022Windows Server 2025
Resource Fair Sharing in Windows Server Remote Desktop Services (RDS)
October 9, 2025A common issue with terminal servers hosting multiple users is that a single user can start a resource-intensive process, which negatively impacts the performance of other users’ sessions. For example,…
The Credential Guard security feature in the latest versions of Windows protects accounts against theft and unauthorized use, including Pass-the-Hash and Pass-the-Ticket attacks. Credential Guard uses virtualization-based security (VBS) to…
On domain controllers running Windows Server 2025, an issue occurs where the server incorrectly identifies the network as Public instead of Domain after a reboot. If some of your Windows…