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Michael Reinders

Petri Contributor

Michael has been an IT Pro since 1998. He has worked predominantly in the Windows world including client and server operating systems, on-prem systems engineering (AD, DNS, etc.), and over the last ten years or so has embraced and immersed himself in all things Microsoft 365 - including Exchange Online, SharePoint Online, Teams, OneDrive, and Microsoft Entra ID. He has written articles here on Petri based on these technologies. Michael strives to help other IT Pros with getting more efficient (especially with PowerShell) in their day-to-day tasks and offering solid assistance on larger projects.

LATEST

Security

How to Enable Entra ID (Azure AD) Password Protection: A Step-by-Step Guide

Last Update: Jun 12, 2025

As an IT admin, preventing your users from using simple or known-hacked passwords has become critical for the overall security of your enterprise. An excellent step to take is to plan for and deploy Azure AD Password Protection. In this article, I’ll walk you through installing the Proxy service and DC agent in your on-premises…

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Microsoft 365 hero approved

How to Enhance your Home Lab with the Microsoft 365 Developer Program

Last Update: Jun 06, 2025

As an IT pro, enhancing your home lab with new capabilities should be a continual process. Being able to simulate and get hands-on experience is crucial, and this is where the Microsoft 365 Developer Program lends you a helping hand. After joining the program, you can sign up for a free, renewable Microsoft 365 E5…

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Security – 4

What Is a Home Lab and Do You Need One?

Last Update: May 05, 2025

Having a ‘home lab’ as an IT pro offers multiple methods to add value and efficiency to your job duties and responsibilities. In this article, I’ll look at what is a home lab, what you need to set one up, and how it can help you to progress throughout your IT pro career. What is…

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Network Security

Managing Group Policy Objects: Create GPOs, Link GPOs, and Edit GPOs

Last Update: Sep 11, 2025

If you’re an IT pro working with Active Directory, you can use Group Policy to configure the Windows environments of your users’ computers and your enterprise servers using Group Policy Objects (GPO). However, the struggle to reach an intuitive and secure environment is real. In this article, I will explain how to create a GPO,…

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Windows

What is Group Policy in Active Directory?

Last Update: Feb 05, 2025

Group Policy is an infrastructure feature in Active Directory that allows IT pros to manage their users’ Windows environments and servers. In this article, I will explain in detail what is Group Policy, what is a Group Policy Object (GPO), and how to adjust the policy settings to meet your security needs and compliance requirements….

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Windows

How to Install WSL2 on Windows 10 and Windows 11

The Windows Subsystem for Linux 2 (WSL2) allows Windows 10 and Windows 11 users to run a Linux distribution without using a virtual machine. Recent versions of Windows 10/11 make it very easy for developers to get started with WSL2 and run Linux repositories natively. In this article, I’ll explain how to install WSL2 on…

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Microsoft Stream

What is Microsoft Stream?

Microsoft Stream, which is part of Microsoft 365, is a video creation and collaboration service available with nearly all license and pricing plans. Learn about its noteworthy features including the ability to record your screen and yourself, catch up on your company’s Teams meeting recordings, and distribute your videos across your Microsoft 365 tenant. What…

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Cloud Computing and Security

How to Use Microsoft Entra Cloud Sync (Azure AD Connect Cloud Sync)

Last Update: Sep 03, 2025

Many of you have been using Azure Active Directory Connect to manage your hybrid identities and synchronization of users from Active Directory to Azure Active Directory (recently renamed Microsoft Entra ID). This modern technology is called Azure AD Connect cloud sync. In this article, I’ll walk you through the installation and basic configuration of Azure…

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Hero Approved Microsoft Lists - 3

What is Microsoft Lists? A Productivity Guide

Last Update: Dec 03, 2024

Microsoft Lists is the evolution of the SharePoint List feature. Several years ago, the Microsoft brain trust set out to make this ultra-powerful tool more accessible to the masses. By removing ‘SharePoint’ from the marketing pages, and making it ‘an app’, they succeeded in surprisingly productive ways. In this article, I will explain what is…

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Windows

How to Enable Hyper-V in Windows 10

Last Update: Jun 08, 2025

Windows 10 Pro, Enterprise, and Education editions contain a free virtualization software named Hyper-V. The underlying code works nearly the same as what’s provided in Windows Server. In this article, I will discuss how to enable Hyper-V on Windows 10, how to create your first virtual machine, and briefly talk about nested virtualization. How to…

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Cloud Computing

How to Use OneDrive for Business: A Complete Guide

Last Update: Jun 06, 2025

Installing and using OneDrive for Business will help your users be more productive with their files, from any place with an Internet connection. Do they know how to access the OneDrive website? Do they know how to use the OneDrive sync app in Windows? Read on to discover everything you need to know about how…

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Cloud Computing

Windows File Sharing with SMB: Port 445, 139, 138, and 137 Explained

Last Update: Mar 24, 2026

Many IT pros probably take for granted sharing files on their predominantly Windows environments and local area networks. Although several protocols are available, Server Message Block (SMB) is clearly the most prevalent. This article examines how Windows file sharing works over ports 445, 139, 138, and 137. Quick overview of SMB SMB is a client‑server…

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