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Brien Posey

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As an internationally bestselling tech author and a former 22-time Microsoft MVP, Brien Posey has written or contributed to dozens of books and created a variety of full-length video training courses on all sorts of IT and space-related topics. He’s also published thousands of technical articles and white papers for various websites and magazines.

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Microsoft 365 Copilot hero approved

Microsoft Copilot vs ChatGPT: Understanding the Key Differences

Understanding the differences between Microsoft Copilot vs ChatGPT is essential for organizations evaluating how AI can enhance productivity, creativity, and business workflows. While both tools are built on advanced generative AI models, they were designed with very different purposes in mind. Microsoft Copilot vs ChatGPT: Primary use cases for each tool ChatGPT and Microsoft Copilot…

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copilot studio agents hero approved

Microsoft 365 Copilot Compliance: A Guide to Security and Data protection

Microsoft 365 Copilot compliance represents a significant challenge for organizations using generative AI capabilities directly in the Microsoft 365 suite. Before you deploy this powerful tool, you must meticulously prepare your organisational environment to ensure both robust security and adherence to compliance mandates. This preparation is not merely a technical exercise. It involves strategic considerations concerning your data,…

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Copilot hero

Introducing Microsoft 365 Copilot Connectors: What You Need to Know

Microsoft 365 Copilot Connectors provide a way of making data outside of Microsoft 365 available to Copilot. Although Microsoft 365 Copilot is probably best known for its ability to interact with Microsoft 365 data, businesses typically also have data stored in other data sources. What if Copilot could read your Google Drive or Salesforce records…

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Cloud Computing

What is the Active Directory Global Catalog Server?

An Active Directory Global Catalog works to simplify forest wide searches by storing a partial replica of all of the forest’s naming contexts. These replicas can be used in forest wide searches. What is a Global Catalog server? A Global Catalog server is a domain controller that stores a full copy of the Active Directory…

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Microsoft 365 Copilot hero approved

Introducing Copilot Agents: What You Need to Know

Last Update: Jan 05, 2026

Imagine finishing your workday and realizing that a Copilot agent has already summarized your meetings, scheduled follow-ups, and drafted your next client email, without you lifting a finger. That’s the reality Copilot agents are bringing to Microsoft 365. What is a Copilot Agent? A Copilot agent is an AI enabled bot that lives inside of…

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Top Tips for Importing & Exporting your VM with Hyper-V

Last Update: Sep 04, 2024

One of the things that makes server virtualization so enticing is virtual machine portability. If a host server starts to become overloaded, or you need to upgrade to newer hardware, you can move virtual machines to another host server via the Import and Export function. In this article, Brien Posey explains the import/export process and how to avoid some common pitfalls of moving your virtual machines.

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Establishing a Service Level Agreement (SLA) for Exchange 2007

Although service level agreements are often a source of stress for network administrators, they can be made to work in your favor. In this article, Brien Posey uses his experiences to show you why service level agreements can sometimes be a good thing.

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Virtual Processor Limitations in Hyper-V

Last Update: Sep 04, 2024

One of the tricky things about configuring Hyper-V is that you can have more guest operating systems than you have CPU cores. In this article, Brien Posey talks about finding the right balance between cores and guest operating systems.

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Microsoft’s Assessment and Planning Toolkit – Planning for Virtualization

Last Update: Sep 04, 2024

Server virtualization can save money by making better use of your hardware resources. Even so, deciding which servers should be virtualized, and which server should host which virtual servers is something of an art form. In this article, Brien Posey shows you a free tool from Microsoft that can help you with the planning process.

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The Benefits of Creating Multiple Storage Groups – Part 2

Last Update: Sep 04, 2024

Deciding how many mailbox stores to place on an Exchange Server, and deciding how to arrange the storage groups can be something of an art form. In this article, Brien Posey discusses more considerations for store and storage group placement.

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Backing Up Group Policy Objects

Last Update: Sep 04, 2024

Backing up your Group Policy Objects allows you to restore group policy settings without having to perform an entire Active Directory restoration. In this article, Brien Posey walk you through the process.

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Using a Template to Create Recipient Objects

Last Update: Sep 04, 2024

Templates can be used to create multiple mailboxes using a single command. In this article, Brien Posey shows you how it’s done.

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