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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 Azure Active Directory (AAD). He has written articles here on Petri based on these technologies and also published a larger series about 'Upgrading to Windows Server 2022' this past summer. 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

1725492266 security hero

Unlocking the Power of Active Directory Groups: A Comprehensive Guide

Active Directory groups are essential tools for managing and organizing users, computers, and other resources within a Windows domain. This article will provide an in-depth exploration of Active Directory (AD) groups, including their types, purposes, and best management practices. Whether you’re a seasoned IT professional or just beginning your journey with Active Directory, this guide…

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Windows 11 2022 Update

How To Use The Windows Local Group Policy Editor

This guide aims to help you understand how to navigate and use the Windows Local Group Policy Editor (LGPE) to enhance your Windows desktop environment’s security, performance, and usability. What is the Local Group Policy Editor? The Windows Local Group Policy Editor is a Microsoft Management Console (MMC) snap-in that allows you to manage and…

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Datacenter networking servers

Enable Windows Server 2025 Hotpatching: A Step-by-Step Guide

Hotpatching is a powerful feature in Windows Server 2025 that allows administrators to apply security updates and patches without requiring a system reboot, minimizing downtime and ensuring continuous operation. This article provides an overview of how to enable Windows Server 2025 Hotpatching. We’ll cover prerequisites, step-by-step instructions, best practices, and troubleshooting tips. What is Windows…

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exchange hero

Microsoft Re-Releases the November 2024 Exchange Server Security Updates

This week, Microsoft re-released the November 2024 Exchange Server security updates, now known as November 2024 SUv2. The first release didn’t go so well. The original updates, which went out on November 12, 2024, caused issues with data loss prevention (DLP) rules and transport rules, leading to disruptions in on-premises email flow. You can find…

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Copilot in Excel advanced analysis

Microsoft Faces Accusations of Using Customer Data to Train AI Models

Microsoft has been accused of using customer data from its Microsoft 365 applications, including Word and Excel, to train its AI models. The controversy arose from the “Connected Experiences” feature, enabled by default in Office apps and allows for Internet-based functionalities like document co-authoring. Critics argue that this feature could be used to scrape user…

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Copilot+ and Windows Recall

Windows Recall and ‘Click to Do’ Preview Now Available on Copilot+ PCs

Back in June 2024, Microsoft announced the new ‘Copilot+’ PC specification and device type. They also gave a demonstration of Windows Recall, a controversial new feature that takes periodic snapshots of your computer screen, capturing what you’re doing, so you can ‘go back in time’ and remember that website you were doing research on, or…

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Microsoft Edge Bing AI ChatGPT

Microsoft Edge Introduces Shared Passwords Feature and New Security Updates

This week at the Ignite 2024, Microsoft announced many new features coming to the company’s web browser, Edge for Business. Because today’s work environment looks very different from just a few years ago, Microsoft continues to adapt to the new hybrid landscape and offer more security-focused features to keep your organization safe and protected. Cybersecurity…

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azure cloud data hero

Windows Server Management enabled by Azure Arc Is Now Generally Available

At their Ignite 2024 tech conference this week, Microsoft announced a restructuring of sorts for Windows Server Management features and SKUs and brought them under Azure Arc. They are advertising the features as a ‘free add-on’ bundle for companies utilizing Windows Server Pay as you Go, or active Software Assurance (SA) agreements. This is why…

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Windows 365 Link

Microsoft Introduces First Cloud PC Device – the Windows 365 Link

At Microsoft’s Ignite 2024 tech conference this week in Chicago, Redmond announced the first ‘Cloud PC’ device—a purpose-built solution called Windows 365 Link. With a public preview starting now, they are expected to be shipping or generally available in April 2025. “…a small Windows-based OS designed to connect you to Windows 365 in seconds” –…

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Datacenter networking servers

How to Add a Domain Controller to an Existing Domain (PowerShell)

How do you add a new domain controller (DC) to your existing Active Directory (AD) domain? In this post, I will show you how to quickly add a new DC to AD. This article applies to: Windows Server 2025, Windows Server 2019, Windows Server 2022, and Windows Server 2016 Check the domain and forest functional…

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Datacenter networking servers

How to Add a New Forest to Active Directory (Server Manager)

In this guide, I’ll show you how to add a new forest to your existing Active Directory environment. There may be compliance or security requirements dictating you add a new forest. This article applies to: Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. However, just a note, you can add…

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1725496402 Servers Hero

Add a Child Domain to an Existing Forest (Server Manager)

In this guide I’ll show you how to add a child domain to an existing forest. If you have, for example, contoso.com as your single Active Directory forest domain, you may want to add some logical separation. You can add a child domain, corp.contoso.com, to your forest during the DC promotion wizard. This article applies…

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