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Using PowerShell for System Administration and Automation Tasks

What Others Are Reading in PowerShell

How to Install Remote Server Administration Tools (RSAT)...

March 17, 2024

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How to Delete Old User Profiles in Windows

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  • PowerShellWindows 10Windows 11Windows Server 2019

    How to Clean Up or Reset COM Port Numbers in Windows

    March 11, 2024

    When you connect a new COM device or a USB device to your computer (USB modem, mobile phone, Bluetooth adapter, serial to USB converters, etc.), Windows detects it using Plug-n-Play…

  • Azure and Microsoft 365ExchangePowerShell

    Mailbox Size and Quotas in Exchange 2019/2016 and Microsoft 365

    March 15, 2024

    An on-prem Exchange or cloud Exchange Online (Microsoft 365) administrator must control user mailbox sizes. In this article, we’ll show how to get current mailbox sizes and set mailbox quotas…

  • Hyper-VPowerShellVirtualizationWindows Server 2016Windows Server 2019

    Poor Network Performance on Hyper-V VMs in Windows Server 2019

    February 20, 2023

    Several times I came across a situation when files were copied much slower from/to virtual machines on a Hyper-V host running Windows Server 2019 than in a VM of the…

  • PowerShellWindows 10Windows 11Windows Server 2019

    Enter-PSSession: Running Remote Commands in Interactive Shell

    March 15, 2024

    Enter-PSSession cmdlet allows you to establish a persistent interactive PowerShell session with a remote computer. All commands you enter in your command prompt are executed on the remote computer. In…

  • Azure and Microsoft 365ExchangePowerShell

    Forwarding Emails to an External Address in Microsoft 365 (Exchange Online)

    March 17, 2024

    By default, cloud-based Exchange Online (Microsoft 365) prevents automatic external email forwarding using Outlook rules or enabled mailbox forwarding.

  • PowerShellWindows 10Windows Server 2019

    Installing PowerShell Modules in Offline Mode (Without Internet Access)

    March 15, 2024

    Most popular PowerShell modules are installed online from the official PowerShell Gallery (PSGallery) repository using the Install-Module command. However, you won’t be able to install a PowerShell module if your…

  • PowerShellWindows 10Windows 11Windows Server 2022

    Find Windows Version, Edition, and Build from ISO or WIM file

    December 29, 2021

    In this article, we’ll show how to use DISM and PowerShell to find out which Windows images (versions, editions, builds, language pack) are stored in ISO or WIM files. If…

  • PowerShellWindows 10Windows 11

    How to Hide Installed Programs in Windows 10 and 11

    August 11, 2024

    In this post, we’ll show how to hide any program from the list of installed apps from the Windows Control Panel. This guide applies to all Windows versions, including Windows…

  • Azure and Microsoft 365Group PoliciesLinuxMicrosoft OfficePowerShellWindows 10

    How to Disable Microsoft Teams Auto Startup

    March 12, 2024

    By default, when you install Office 365/Office 2019, all Microsoft Office apps are installed, including Teams (you can install only specific Office apps using the Office Deployment Tool). MS Teams…

  • PowerShellWindows 10Windows 11Windows Server 2022

    Changing the Default RDP Port (3389) on Windows

    April 17, 2025

    By default, Windows uses TCP port 3389 to connect to the desktop of a remote computer via the RDP (Remote Desktop Protocol). This article describes how to change the default…

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