Michael Reinders
Petri ContributorMichael 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
How to Turn Emails in Outlook Mobile into To Dos
Last Update: Jun 05, 2025
- Feb 17, 2021
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Microsoft has started rolling out a new feature to the Outlook mobile app (iOS & Android) that allows you to create a To Do easily and efficiently from an email.
What Is Microsoft Entra ID Conditional Access? (And How To Use It)
Last Update: Jun 05, 2025
- Oct 23, 2018
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Conditional Access is a security feature that allows organizations to control corporate resource access based on certain conditions. Common reasons for utilizing this technology include the enforcement of multifactor authentication (MFA), requiring stronger authentication measures during authentication, and more. Learn more about how to use Entra ID Conditional Access to protect your data and devices….
How To Use The DISM Command to Repair Windows 10: A Step-By-Step Guide
Last Update: Jun 08, 2025
- Jul 05, 2018
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In this Ask the Admin, I’ll show you how to fix corrupt system files when System File Checker isn’t up to the job.
What Is Multifactor Authentication and How Does It Work?
Last Update: Apr 08, 2024
- Oct 05, 2016
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Russell explain what multi-factor authentication is and why you should enable it.
What Is Microsoft Entra ID? (Azure AD) – A Comprehensive Guide
Last Update: Aug 26, 2025
- Mar 18, 2016
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Microsoft Entra ID – previously called Azure Active Directory (Azure AD) – is Microsoft’s cloud-based identity and access management (IAM) cloud service. Azure AD is generally seen as a move from on-premises IAM to the cloud. Learn more about Azure AD here. What is Microsoft Entra ID (Azure Active Directory)? Microsoft Entra ID (Azure AD,…
What is Azure AD Domain Services?
Last Update: Apr 16, 2024
- Nov 24, 2015
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Learn about Azure AD Domain Services and how does it differs from Azure Active Directory.