This guide covers how to run PowerShell scripts: everything from basic script execution to remote operations, parameter passing, and troubleshooting. PowerShell is useful for automating administrative tasks, but before you can run PowerShell scripts, you need to understand the mechanisms that control script execution. The core concepts stay constant whether you are running a basic…
Last Update: Dec 02, 2025
Introducing Cayosoft Guardian Protector. As identity increasingly becomes the most important pillar for securing data and IT systems, security teams face increasing challenges keeping track of who is changing what and when. What is Cayosoft Guardian Protector? Guardian Protector is a free, agentless monitoring solution that delivers real-time insight across Active Directory, Microsoft Entra ID,…
If your graphics card suddenly stops working and Microsoft Windows displays error code 43, do not panic. What is device manager error code 43? Error code 43 is a generic hardware error in Windows 10 and Windows 11. It means the operating system detected that your GPU (or another device) reported a problem, and Windows…
Learn what a DHCP reservation is, its function, practical applications, and how you can leverage it effectively in your network. What is a DHCP reservation, and why does it matter? While DHCP’s dynamic nature is a blessing for general-purpose devices, there are specific instances where you need a particular device to always have the same…
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…
I asked Merill Fernando, the creator of Graph X-Ray, to talk me through how the tool came to be and some use case scenarios. Microsoft Graph is the unified API that connects data across Microsoft 365, from Entra ID and Teams to Exchange, Intune, and more. It’s the foundation for automation, reporting, and integration across…
Last Update: Nov 04, 2025
Microsoft has announced that extended support for Microsoft Identity Manager (MIM) will end in 2029. For many organizations, this feels like the closing of a long chapter. MIM has been the backbone of identity synchronization, certificate management, and self-service provisioning for well over a decade. But just as with Forefront Identity Manager (FIM) before it,…
What is Maester? Maester is an open-source framework designed to help Microsoft 365 and Entra administrators continuously validate the security and configuration of their environments, before things break. I spoke with Merill Fernando about how Maester came to be and how it is used today by thousands of enterprises to maintain effective security configurations across…
Last Update: Dec 17, 2025
New-ADUser creates users at scale, sets attributes, places them in the right Organizational Units (OUs), assigns passwords, and even adds them to groups, all programmatically. Let’s get into how to learn more about New-ADUser and elevate your AD management skills from good to great. Create a new Active Directory user with New-ADUser Here’s the basic…
Last Update: Oct 22, 2025
In this post, I’ll explain what network monitoring tools are, why they’re important for keeping your IT systems running smoothly, how security plays a role, and how to choose and implement the right solution. I’ll cover key features, popular tools, best practices, and common mistakes to help you build a robust monitoring strategy. What are…