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Active Directory Security: Understanding the AdminSDHolder Object

Last Update: Jun 04, 2025

In this Ask the Admin, Russell Smith explains how this mechanism works and how you can change the way that it works.

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Mount an Active Directory Backup Using the Database Mounting Tool

Last Update: May 24, 2025

In this Ask the Admin, Russell Smith explains how to use the ADDS Database Mounting Tool to look at backups of AD.

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Do You Need Third-Party Antimalware in Windows?

Last Update: Sep 04, 2024

In today’s Ask the Admin, we discuss whether it’s necessary to use third-party antimalware in Windows 10 and Windows Server 2016 on your company’s PCs.

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Change the System Partition From MBR to GPT in Windows 10

Last Update: Sep 04, 2024

In today’s Ask the Admin, Russell Smith shows you how to change the system disk partition type from MBR to GPT in Windows 10 Creators Update using a command-line tool.

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Paul Thurrott’s Short Takes: January 12

Last Update: Sep 04, 2024

Because Meltdown and Spectre are the gifts that keep on giving, this edition of Short Takes looks at more news about these vulnerabilities, CES 2018, and more.

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Secure Active Directory Using the Clean Source Principle

Last Update: Sep 04, 2024

Russell Smith explains how to integrate the clean source principle into your Active Directory design and management practices to keep your systems secure.

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Office 365 Starts on Road to Support International Email Addresses

Last Update: May 23, 2024

Microsoft says that Office 365 will support internationalized email addresses (EAI) in Q1 2018. Support is limited to inbound and outbound email and you will not be able to assign email addresses with non-Latin characters to Office 365 accounts until all the heavy lifting is done to make sure that nothing breaks, including in hybrid organizations.

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My Azure Infrastructure Highlights of 2017

Last Update: Jun 25, 2025

Aidan Finn reviews his highlights in the last year of Azure infrastructure improvements. Please share your highlights too.

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Protect Users Against Malicious Websites Using Windows 10 Application Guard

Last Update: Sep 04, 2024

In today’s Ask the Admin, Russell Smith shows you how Windows Defender Application Guard can protect enterprise users against malicious websites.

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Azure SQL Elastic Pool, Single Databases, and DTUs

Last Update: Sep 04, 2024

Aidan Finn explains some of the language that is used to specify and size Azure SQL, the database-as-a-service offering from Microsoft Azure.

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Microsoft Outlines Performance Impacts of Meltdown and Spectre Patching

Last Update: Sep 04, 2024

With the patching of the Meltdown vulnerability, there will be serious impacts to performance to older CPUs and thanks to Microsoft, we now have a better understanding of the implications of this security flaw.

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Infrastructure-as-Code Part 3: Deploy Active Directory and Certificate Services in Azure

Last Update: Sep 04, 2024

In the final part of this series, Russell Smith shows you how to use the code I created in the previous two installments to provision the resources in Azure.

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