In PowerShell, you can use the Test-NetConnection cmdlet to check whether a port is available (open) on a remote computer. You can use this cmdlet to check the response and availability of a remote server or a network service, test whether the TCP port is blocked by a firewall, check ICMP availability, and routing. In fact, Test-NetConnection replaces several popular network admin tools such as ping, tracert, telnet, pathping, TCP port scanner, etc.
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
Remote users can connect to their Windows 10 and 11 computers through the Remote Desktop Services (RDP). All you need to do is enable Remote Desktop, grant the user RDP…
- Azure and Microsoft 365ExchangePowerShell
Find Inactive (Unused) Distribution Lists in Exchange/Microsoft 365
March 17, 2024Within your Exchange organization or Exchange Online (Microsoft 365) tenant, you can create hundreds of Distribution Groups (Distribution Lists, DLs). Distribution lists that are no longer in use should be…
- PowerShellWindows 10Windows 11Windows Server 2019Windows Server 2022
How to Install Remote Server Administration Tools (RSAT) on Windows
March 17, 2024The Remote Server Administration Tools (RSAT) allow you to remotely manage roles and features on Windows Server hosts from a Windows workstation. RSAT includes graphical MMC snap-ins, command line tools,…
- Group PoliciesWindows 10Windows 11Windows Server 2019
How to Reset the Group Policy Settings on Windows
November 19, 2025Group Policy Object (GPO) is a handy tool for fine-tuning the user and the operating system environment in Windows. Both domain GPOs (if the computer is a member of an…
- Active DirectoryPowerShellWindows 10Windows Server 2019
How to Get a List of Local Administrators on Computers
March 16, 2024In this article, we will look at how to get a list of users and groups that have local administrator rights on Windows workstations and servers on your network.
To manage databases on Microsoft SQL Server, you can use the lightweight, cross-platform Visual Studio Code editor (VS Code) instead of SQL Server Management Studio (SSMS). Visual Studio Code with…
- Windows Server 2016Windows Server 2019Windows Server 2022
How to Downgrade Windows Server Edition or License
June 19, 2023When we analyzed the server licenses in use, we found that one of the servers had a much more expensive edition of Windows Server Datacenter installed than the tasks running…
- Group PoliciesPowerShellWindows 10Windows 11Windows Server 2016Windows Server 2019
How to Allow Non-Admin User to Start/Stop Service in Windows
March 15, 2024By default, regular (non-admin) users cannot manage Windows services. This means that users cannot stop, start, restart, or change the settings and permissions of Windows services. In some cases, a…
- Hyper-VWindows 10Windows Server 2019
How to Enable and Configure Hyper-V Remote Management
June 8, 2023If you installed Hyper-V on a non-GUI edition of Windows (Windows Server Core or Microsoft Hyper-V Server), you can use PowerShell cmdlets from the Hyper-V module to manage your hosts…