Active Directory is a reliable yet critical service, and the functionality of the entire enterprise network depends on its proper operation. The proper functioning of Active Directory requires constant monitoring by the system administrator. This article describes how to use the dcdiag, repadmin, PowerShell, and other built-in tools to check and diagnose the health of your Active Directory domain, domain controllers, and replication status.
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 10
Internet Connection Sharing (ICS) Stops Working After Reboot in Windows 10
March 16, 2024Internet Connection Sharing (ICS) service in Windows allows you to share Internet connection on your computer with other devices in your local network (via Wi-Fi or Ethernet). This allows all…
- Windows 10Windows 11Windows Server 2019
Fix: Windows Cannot Connect to a Shared Printer
June 25, 2024When connecting to a shared network printer, users may receive a ‘Windows can’t connect to the printer’ error with codes 0x0000011b or 0x00000002. This post explains common ways to fix…
- Windows 10Windows 11Windows Server 2019Windows Server 2022
How to Change a User Password in a Remote Desktop (RDP) Session
December 11, 2024Users can press CTRL+ALT+DEL and select Change Password from the menu that opens to change their password on the Windows workstation. However, this won’t work if you are connected to…
- Windows 10Windows 11
Fix: The Computer Restarted Unexpectedly or Encountered an Unexpected Error on Windows
May 16, 2024In some cases, when you perform a clean installation of Windows, update a build, or create a reference image using sysprep, the Windows Installer fails with an error: The computer…
- Group PoliciesPowerShellWindows 10Windows Server 2019
Installing Fonts in Windows Using GPO and PowerShell
February 27, 2023In this article, we’ll show how to install additional fonts on computers in an Active Directory domain using Group Policy and PowerShell script. This guide was tested on current Windows…
- Windows 10Windows 11
Enable Group Policy Editor (gpedit.msc) on Windows 10/11 Home Edition
June 20, 2024The Local Group Policy Editor console (gpedit.msc) is used to configure Windows settings. Gpedit.msc is a built-in MMC snap-in available in all Windows editions (Pro/Enterprise/Education) except Home and Single Language.…
- PowerShellWindows 11Windows Server 2022
Writing Output to Log Files in PowerShell Script
March 3, 2025Logging to simple text files is a convenient way to track all actions performed by a PowerShell script. Such a log file is useful for debugging script errors and reviewing…
- Azure and Microsoft 365ExchangeMicrosoft OfficePowerShell
How to Hide Users and Groups from the Global Address List on Exchange/Office 365
March 15, 2024In this article, we’ll look at how to hide a user or distribution group from the Exchange Global Address List (GAL). This guide applies to both the cloud Exchange Online…
- PowerShellWindows 10Windows 11Windows Server 2019
How to Backup (Export) Installed Drivers from Windows
April 17, 2024Built-in Windows tools allow you to backup (export) all third-party device drivers installed on your computer to a specified directory. This eliminates the need to manually search for and download…