Andrew Armstrong

Blogs, Articles, and Posts

Auditing Active Directory with PowerShell: Practical Queries (techygeekshome.info)
This article provides practical PowerShell queries for auditing Active Directory, covering topics

such as stale accounts, privileged group membership, password policy exceptions, and delegation risks.

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By: Andrew Armstrong submitted:Oct 2 2026

How to Automate AD User Offboarding with PowerShell (techygeekshome.info)
This article provides a step-by-step guide on automating the offboarding process for Active

Directory users using PowerShell, including disabling accounts, resetting passwords, stripping groups, and more.

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By: Andrew Armstrong submitted:Oct 9 2026

How to Build Useful Reports from PowerShell – CSV, HTML and Email (techygeekshome.info)
Learn how to create useful reports from PowerShell output, including choosing the right format (CSV,

HTML, or JSON) and scheduling and emailing them properly.

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By: Andrew Armstrong submitted:Aug 28 2026

PowerShell Desired State Configuration in 2026: Is It Still Worth It? (techygeekshome.info)
The article assesses the value of PowerShell Desired State Configuration (DSC) in 2026, considering

its place in the modern DevOps landscape and comparing it with other tools like Ansible and Intune.

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By: Andrew Armstrong submitted:Oct 9 2026

Replacing Old Batch Files with PowerShell: A Migration Guide (techygeekshome.info)
A guide for migrating legacy batch files to PowerShell, covering what maps to what, when to leave

batch alone, and common pitfalls like exit codes and quoting.

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By: Andrew Armstrong submitted:Oct 16 2026

Writing Your First PowerShell Script That Does Something Useful (techygeekshome.info)
Learn how to build a practical PowerShell script from scratch, covering topics like param blocks,

error handling, and object output.

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By: Andrew Armstrong submitted:Sep 11 2026

WSUS – Cleanup using Powershell with email notification output (techygeekshome.info)
If you are using WSUS in your environment, you may want to run a scheduled task to cleanup old

updates and compress some of the larger updates to free up space on your server. A good way of doing this is to run a Powershell script which will take care of all your cleanup requirements and as we are using Powershell, we can even get it to send us an email once it is complete with the output information on what the script has managed to clean up.

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By: Andrew Armstrong submitted:Sep 13 2024

Projects, Scripts, and Modules

Active Directory Health Check with PowerShell: Free Script and What Each Check Means (techygeekshome.info)
A free PowerShell script that performs an Active Directory health check, querying domain controllers

for various health metrics, is available. The script produces a console and HTML summary of the results.

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By: Andrew Armstrong submitted:Oct 2 2026

PowerShell Script to Perform a Complete Microsoft Entra ID Connect Health Check (techygeekshome.info)
A PowerShell script helps identify issues in hybrid Microsoft 365 environments with Microsoft Entra

ID Connect, including login failures and synchronization delays.

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By: Andrew Armstrong submitted:Sep 4 2026

Books, Media, and Learning Resources

PowerShell Desired State Configuration (DSC) – Getting Started Guide (2026) (techygeekshome.info)
This guide provides a comprehensive introduction to PowerShell Desired State Configuration (DSC),

covering its basics, configuration writing, application, and enterprise compliance enforcement.

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By: Andrew Armstrong submitted:Jul 17 2026

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PowerShell Weekly – Your weekly round up of all things PowerShell

Andrew Armstrong

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