Markus Elsberger
Blogs, Articles, and Posts
Check the Windows Server version to determine if an in-place upgrade to Server 2025 is supported
(4sysops.com)
Before upgrading to Windows Server 2025, check your existing Windows Server version to determine if
By: Markus Elsberger submitted:May 2 2025
Before upgrading to Windows Server 2025, check your existing Windows Server version to determine if
an in-place upgrade is feasible. You can check the Windows version via the graphical user interface, Windows PowerShell, or the command prompt.
By: Markus Elsberger submitted:May 2 2025
Enable NIC Teaming (LBFO) and Switch Embedded Teaming (SET) in Windows Server 2025
(4sysops.com)
In Windows Server 2025, LBFO NIC Teaming is blocked for Hyper-V virtual switches, and Switch
By: Markus Elsberger submitted:Oct 10 2025
In Windows Server 2025, LBFO NIC Teaming is blocked for Hyper-V virtual switches, and Switch
Embedded Teaming (SET) is the only supported teaming method for Hyper-V. However, LBFO remains available for non-virtualization use cases. In this article, I'll show you how to enable and configure both LBFO and SET in Windows Server 2025 using the GUI and PowerShell.
By: Markus Elsberger submitted:Oct 10 2025
Free up RAM in Windows with taskkill, PowerShell, and Sysinternals RAMMap
(4sysops.com)
Freeing up RAM on Windows can significantly improve system performance, especially when certain
By: Markus Elsberger submitted:Jul 11 2025
Freeing up RAM on Windows can significantly improve system performance, especially when certain
applications consume excessive memory. In this guide, you'll learn how to free up RAM using taskkill on the command prompt, PowerShell, wmic, and the free Sysinternals RAMMap tool, with step-by-step instructions for each method.
By: Markus Elsberger submitted:Jul 11 2025
Get Active Directory ports with PowerShell
(4sysops.com)
Active Directory services communicate over specific ports needed for authentication, replication,
By: Markus Elsberger submitted:Oct 25 2024
Active Directory services communicate over specific ports needed for authentication, replication,
and other directory services. Knowing these ports is crucial for configuring firewalls, ensuring secure communication, and troubleshooting network issues related to Active Directory services. This post will teach you how to get the Active Directory ports with PowerShell.
By: Markus Elsberger submitted:Oct 25 2024
Install and enable SSH on Windows Server 2025
(4sysops.com)
Windows Server 2025 comes with SSH pre-installed, making secure remote server management easier for
By: Markus Elsberger submitted:Nov 15 2024
Windows Server 2025 comes with SSH pre-installed, making secure remote server management easier for
administrators. This is especially helpful when accessing servers from macOS or Linux machines or Windows computers not part of the Active Directory domain, as enabling PowerShell remoting can be complicated in this scenario. By default, SSH on Windows Server 2025 uses password authentication, which you should change to public key authentication for enhanced security.
By: Markus Elsberger submitted:Nov 15 2024
Install and integrate Microsoft AI Shell with a PowerShell module
(4sysops.com)
Microsoft's new AI Shell integrates AI into command-line workflows, featuring the Azure OpenAI Agent
By: Markus Elsberger submitted:Dec 13 2024
Microsoft's new AI Shell integrates AI into command-line workflows, featuring the Azure OpenAI Agent
and Copilot in Azure Agent for tasks like PowerShell scripting and cloud automation. You can install AI Shell (aish.exe) as a standalone app or PowerShell module to streamline coding, error resolution, and resource management on Windows, macOS, or Linux.
By: Markus Elsberger submitted:Dec 13 2024
Install Linux Subsystem for Windows (WSL) on Windows Server 2025
(4sysops.com)
This article explains the differences between WSL 1 and WSL 2, how they compare to WSL on Windows
By: Markus Elsberger submitted:Oct 17 2025
This article explains the differences between WSL 1 and WSL 2, how they compare to WSL on Windows
Server 2022 and Windows Server 2025, and how to install WSL on Windows Server 2025 using the graphical user interface (GUI) or PowerShell.
By: Markus Elsberger submitted:Oct 17 2025
Install Microsoft AI Shell on Mac
(4sysops.com)
Microsoft has released AI Shell v1.0.0‑preview.5, which provides a Windows-only security patch,
By: Markus Elsberger submitted:Jul 25 2025
Microsoft has released AI Shell v1.0.0‑preview.5, which provides a Windows-only security patch,
while Preview 4 delivered substantial improvements-enhanced macOS side‑pane support in iTerm2, Entra ID authentication, expanded Invoke‑AIShell functionality (with new -PostCode, -CopyCode, and -Exit flags)-all based on community feedback to improve workflows across Azure OpenAI, macOS, and PowerShell. This article also explains how to install Microsoft AI Shell on macOS.
By: Markus Elsberger submitted:Jul 25 2025
Mount an NFS Share on Windows 11 with PowerShell
(4sysops.com)
The Network File System (NFS) is a widely used file-sharing protocol in Linux environments. However,
By: Markus Elsberger submitted:Aug 1 2025
The Network File System (NFS) is a widely used file-sharing protocol in Linux environments. However,
many Windows administrators may not know you can mount an NFS share easily on Windows 11 and Windows Server. This guide shows you step-by-step instructions on activating NFS for Windows and mounting a share using PowerShell.
By: Markus Elsberger submitted:Aug 1 2025
Reboot with PowerShell: Use Restart-Computer to restart locally, remotely, and automate reboots for multiple Windows computers
(4sysops.com)
Rebooting a Windows PC via PowerShell is a routine administrative task. This guide will teach you
By: Markus Elsberger submitted:Jun 27 2025
Rebooting a Windows PC via PowerShell is a routine administrative task. This guide will teach you
how to use the PowerShell cmdlet Restart-Computer to reboot a local Windows PC, restart a remote computer, and automate the reboot process for multiple systems.
By: Markus Elsberger submitted:Jun 27 2025
Using Windows Terminal Chat with GitHub Copilot
(4sysops.com)
Terminal Chat enables the integration of GitHub Copilot, Azure OpenAI, and OpenAI's AI services into
By: Markus Elsberger submitted:Mar 28 2025
Terminal Chat enables the integration of GitHub Copilot, Azure OpenAI, and OpenAI's AI services into
Windows Terminal Canary. Through this experimental feature, you can request assistance from an AI for your PowerShell commands and directly execute the AI's recommendations in the terminal.
By: Markus Elsberger submitted:Mar 28 2025
Who is logged in to PowerShell? Alternatives to whoami
(4sysops.com)
If you are working with PowerShell, you will often face the question: "Under which user is my script
By: Markus Elsberger submitted:Aug 15 2025
If you are working with PowerShell, you will often face the question: "Under which user is my script
running?" In other words, you want to know who is logged in. Many admins use the whoami command on the Command Prompt (cmd). However, PowerShell provides native alternatives to whoami that give you the username and domain.
By: Markus Elsberger submitted:Aug 15 2025

