The Microsoft Defender Firewall is built into all modern versions of Windows and Windows Server and allows you to configure rules for filtering incoming and/or outgoing network traffic on your computer. Windows Firewall rules can be configured locally on the user’s computer (using the wf.msc console, the netsh command, or the built-in NetSecurity PowerShell module). On Windows computers joined to an Active Directory domain, you can centrally manage Microsoft Defender Firewall rules and settings using Group Policies.
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
- Microsoft OfficeWindows 10Windows 11
Fix: Signature Button Not Working in Outlook 2019/2016/365
March 11, 2024In different versions of Outlook (2019/2016/2013/Microsoft 365 Apps), a bug occurs periodically when the create signature button stops working. When the user clicks the Signature button in the Outlook settings,…
- Azure and Microsoft 365PowerShell
How to Send a Message to Teams Channel with PowerShell
March 13, 2024You can send messages to Teams channels from PowerShell using webhook or Microsoft Graph API calls. Let’s see how to send and read messages in Microsoft Teams channels using PowerShell.…
- PowerShellWindows 10Windows 11Windows Server 2019
Uninstalling Programs with PowerShell in Windows 10/11
March 17, 2024In this article, we’ll look at how to uninstall software on a local or remote Windows computer using PowerShell. Quite often, the system administrator uses scripts to uninstall Windows applications.…
- PowerShellWindows Server 2016Windows Server 2019Windows Server 2022
Configuring Remote Desktop Services (RDS) Farm on Windows Server
March 15, 2024This guide shows how to install, configure, and maintain a terminal server farm based on the Remote Desktop Services (RDS) role on Windows Server. The article will help you to…
- Group PoliciesWindows 10Windows 11Windows Server 2019
Changing Default File Associations in Windows 10 and 11
February 27, 2023In this article, we’ll look at how to manage the default File Type Associations (FTA) on Windows 10/11 and Windows Server 2022/2019/2016. As an example, we will show how to…
- LinuxVMwareWindows 10Windows Server 2019
Using iPerf to Test Network Speed and Bandwidth
March 12, 2024IPerf is an open-source command line tool designed to test network throughput between two network hosts. The iPerf allows to generate TCP and UDP traffic (load) between two hosts. You…
Windows Subsystem for Linux (WSL2) is widely used by developers, administrators, and common users to run different Linux distros (Ubuntu, Debian, OpenSUSE, Kali Linux, Alpine), tools, and apps in Windows…
In this article, we’ll consider how to add (inject) drivers into the VMware ESXi installation ISO image (6.7 or 7.0). The ESXi installation image supports (certified) the most popular server…
- Windows 10Windows Server 2016Windows Server 2019
Enable Two-Factor Authentication (2FA) in Windows with MultiOTP
March 15, 2024In this article, we will show how to implement two-factor authentication (2FA) for users on a Windows domain using the free open-source multiOTP package. MultiOTP is a set of PHP…