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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

Microsoft Teams

How to Create a Team in Microsoft Teams

Last Update: Mar 07, 2023

Microsoft Teams is a chat-based workspace that groups people and enables them to share and collaborate on ideas and information. Here’s how to create a team and manage team members. Teams are useful for organizing work information, chat, and tools into channels. Before you create a team, you should understand who should have access to…

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Cloud Computing

How to Use OneDrive for Business: A Complete Guide

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 to use…

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Cloud Computing

How to Reset OneDrive Synchronization

Last Update: Feb 27, 2023

A OneDrive synchronization issue can cause a user to experience data loss. Learn how to reset OneDrive synchronization here. The symptoms of OneDrive sync issues When OneDrive is running and working as expected, it is a boon for users to keep their content synchronized and always up-to-date on all their devices. However, like with many…

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Cloud Computing

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

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. How does file sharing via the SMB protocol…

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Cloud Computing and Security

LDAP, OpenLDAP, and Active Directory: What’s the Difference?

LDAP, OpenLDAP, and Active Directory are the most used identity and access management solutions today. In this article, we’ll explain how they work and help you determine which one is the right choice for your network. LDAP vs. Active Directory: What’s the difference? In general, there’s a pretty good chance that you’re more familiar with…

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Windows

How To Find Windows 10 Stop Codes and Fix Errors Quickly

Windows 10 doesn’t reliably give you easy access to stop codes when it crashes. Plus, these codes may flash on your screen for just half a second! In this guide, we’ll show you how to find Windows 10 stop codes, find the reasons behind Windows 10 crashes, and guide you to solidify your Windows reliability…

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Cloud Computing

What Are the UPN and sAMAccountName User Account Attributes?

Last Update: Feb 01, 2023

The UPN and sAMAccountName are user account attributes in Active Directory. In this article, I’ll explain how these two user account attributes work and how the username and user logon name can be used in your organization. What are user naming attributes in Active Directory? In the world of Active Directory, there are two core…

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PowerShell

Get-AdUser: How to Audit Active Directory Users with PowerShell

Last Update: Jan 30, 2023

PowerShell is an essential tool for IT admins, and it makes it easy to audit Active Directory user accounts with the Get-AdUser command. In this guide, we’re going to detail how to get started with the popular Active Directory cdmdlet.  Introduction to the Get-AdUser PowerShell cmdlet The Get-AdUser cmdlet is one of the most popular Active…

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Network Security

How to View the Attribute Editor in Active Directory

Last Update: Jan 30, 2023

The Attribute Editor in Active Directory Users and Computers (ADUC) is a hidden tab that contains a list of all attributes and their values. This tab lets IT pros view and edit almost every attribute of every object in Active Directory. In this guide, I’ll show you how to view the Attribute Editor in Active…

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Microsoft Teams: A Step-by-Step Guide to Installation

Last Update: Jan 25, 2023

Use this guide to learn the basics of what you can do in Microsoft Teams, the system requirements to keep in mind when planning your rollout, and how to download and install Microsoft Teams for your desktop and mobile users in your environment. Microsoft Teams is a chat-based workspace that brings conversations, meetings, files, and…

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