Windows Server, Active Directory, and PowerShell guides
A function with one parameter and a foreach loop is fine for a script. A function that other people import as a module needs CmdletBinding, validation attributes, pipeline input, and -WhatIf support. Here is how to add all of that without bloating your code....
PowerShell 7 can use SSH as the remoting transport — meaning your Windows admin workstation can drive Linux servers, and your Linux laptop can drive Windows hosts, with the same Enter-PSSession command. Here is the full setup....
Hardcoded credentials are the root cause of half the PowerShell incidents I have seen. The Microsoft.PowerShell.SecretManagement module fixes this — and it works the same way against an encrypted local vault, Azure Key Vault, or 1Password. Here is the complete setup and usage guide....
Cut script runtime from minutes to seconds. Learn how PowerShell 7's ForEach-Object -Parallel works under the hood, when to use it, the $using: scope rule, throttling, and the gotchas that bite first-time users....
Stop hand-editing RDP files. Learn how to mass-generate per-user .rdp files from a CSV template and digitally sign them with rdpsign in a single PowerShell loop — the supported, scalable way to roll out Remote Desktop Services connection files in 2026....
Get to know Thomas Ellison, Dargslan's leading Windows Server and Active Directory author. Learn about his enterprise IT background, writing approach, and the books that help thousands manage Windows infrastructure....
Configure essential Active Directory Group Policy settings for Windows security. Covers password policies, account lockout, audit policies, software restrictions, and GPO management....
PowerShell is no longer just a Windows tool — it runs on Linux, macOS, and in the cloud. This comprehensive guide covers modern PowerShell 7 scripting, Azure automation, cross-platform workflows, and why PowerShell skills are essential for every IT professional in 2026....
Learn how to automate common Active Directory tasks with PowerShell. This step-by-step guide covers user management, group policies, bulk operations, and reporting scripts that save hours of manual work....