IT Knowledgebase Articles

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5 Tips for Using the Microsoft Teams Admin Center

The Microsoft Teams admin center is a convenient tool for performing an array of administrative tasks, from creating and editing team policies and meeting settings to reassigning ownership to unowned teams. In this article, I’ll give you 5 tips to help you manage the Teams admin center as efficiently as possible in your organization. What…

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Network Security

Which Azure AD Connect Versions Are Currently Supported?

Last Update: Jul 17, 2023

This article will detail the different versions of Microsoft’s Azure AD Connect (AADC) sync software that are going out of support this month (August 2022) and in March 2023. If you’re still using one of these soon-to-be-deprecated Azure AD (recently renamed Microsoft Entra ID) Connect versions, you’ll want to plan your upgrades/migrations to supported versions…

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Microsoft 365 Apps

How to Install Office LTSC 2021

Last Update: Jun 07, 2025

Office LTSC 2021 is the latest perpetual version of Office for commercial and government customers. This how-to guide will detail all the steps you need to follow to install Office 2021 LTSC on your computer. Installing Office LTSC 2021 will give you access to Word, Excel, PowerPoint, Outlook, and OneNote, as well as Access and…

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Cloud Conversations

Cloud Conversations – Al Eardley on Microsoft Technology Center and Microsoft Certifications

Cloud Conversations is a weekly podcast that we’ll be featuring here on Petri. It’s about everything connected to cloud computing, including technologies like Azure, Microsoft 365, Power Platform, Microsoft Endpoint Manager (MEM), Microsoft Defender, Windows, Intune, and much more! Cloud Conversations – Al Eardley on Microsoft Technology Center and Microsoft Certifications Al Eardley is a Modern Work and Security Technical…

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Windows

How to Install Active Directory Users and Computers (ADUC) on Windows 10 and 11

Last Update: Jul 01, 2026

A practical guide to installing Active Directory Users and Computers with RSAT: what has changed in modern Windows, where older guides go wrong, and how to fix the issues that actually block installation. Quick answer To install ADUC on Windows 10 or 11, open Settings > Apps > Optional Features, click Add a feature (or…

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PowerShell

How to Find a  PowerShell Substring

Last Update: Jun 06, 2025

Need to search for or extract a substring inside a PowerShell string? Never fear, PowerShell substring is here! In this article, I guide you through how to ditch objects and search inside strings. The PowerShell substring Although you’ll hear me go on and on about object in the pipeline, there’s nothing wrong with parsing strings…

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AWS (Amazon Web Services)

What is AWS IoT?

Last Update: Nov 19, 2024

In this article, we will explore in detail what AWS IoT is, what components it offers, and how developers can start building solutions with AWS IoT at the core. AWS IoT is a collection of Amazon cloud services that organizations can use to connect Internet of Things (IoT) devices to other devices and the Amazon…

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PowerShell

Test Network Connectivity with PowerShell Test-Connection (With Examples)

Last Update: Jun 08, 2025

In this article, I will show you how to test network connectivity between two endpoints using the PowerShell Test-Connection cmdlet. PowerShell Test-Connection vs Ping Since the first time computers were networked together, people have had to test their connections. Just like a dial tone that tells you the phone is ready to use, many IT…

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Cloud Conversations

Cloud Conversations – Femke Cornelissen on Dutch Women in Tech, Twitter Spaces, and M365 Adoption

Cloud Conversations is a weekly podcast that we’ll be featuring here on Petri. It’s about everything connected to cloud computing, including technologies like Azure, Microsoft 365, Power Platform, Microsoft Endpoint Manager (MEM), Microsoft Defender, Windows, Intune, and much more! Cloud Conversations – Femke Cornelissen on dutch women in Tech, Twitter Spaces, and M365 adoption Femke Cornelissen is an Adoption and…

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PowerShell

How to Use the PowerShell Exit Keyword to Terminate Scripts

Last Update: Jul 31, 2023

PowerShell’s built-in exit keyword allows you to terminate scripts without closing your PowerShell session. There are different ways to use PowerShell exit to break the execution of a script, function, loop, or switch statement. But it’s important to understand how the exit keyword works if you want to use it effectively. In this guide, I…

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