As an IT administrator or systems engineer, one of the most common Active Directory (AD) management tasks is identifying which Organizational Unit (OU) a computer belongs to. In this tutorial, I’ll explain to you multiple methods to find a computer’s OU using PowerShell. What Is an OU? An Organizational Unit (OU) in Active Directory is … Read more
The “RPC Server is Unavailable” error in PowerShell can occur when your PowerShell session cannot establish a Remote Procedure Call (RPC) connection to a target machine. RPC (Remote Procedure Call) is a Windows service that enables communication between processes on different computers across a network. When PowerShell throws this error, it typically appears as: This … Read more
Do you need to kill processes by name using PowerShell? Whether a program freezes, consumes too much CPU, or you need to automate cleanup tasks, PowerShell provides a powerful and flexible way to manage processes — far beyond what Task Manager offers. In this tutorial, you’ll learn how to kill a process by name in … Read more
One of my clients recently asked us to send the server log files via email to multiple recipients. So, I suggested using PowerShell’s Send-MailMessage cmdlet to send emails to multiple recipients. In this tutorial, you’ll learn how to send emails to multiple recipients using PowerShell, how to include CC/BCC, attachments, and even how to use … Read more
In PowerShell, modules are the building blocks that extend its functionality. Whether you’re managing Azure, Active Directory, or automating Windows tasks, modules provide reusable commands and scripts that make your job easier. But before using a module, you often need to check if it’s installed — especially when running scripts across multiple systems or CI/CD … Read more
As a system or PowerShell administrator, you might need to monitor disk space, whether on a single PC or across hundreds of servers. In this tutorial, you’ll learn how to check hard drive space using PowerShell on Windows 10, Windows 11, and Windows Server. Before running PowerShell commands: Now, let me show you different methods … Read more
If you’re a system administrator, developer, or IT professional working on Windows systems, then you might need to know which .NET versions are installed on your machine. PowerShell provides different ways to check the installed .NET Framework and .NET (Core/5+) versions. In this tutorial, you’ll learn how to get the .NET version using PowerShell — … Read more
If you’re working with PowerShell regularly—whether for system administration, DevOps automation, or cloud management—you’ve likely encountered a situation where you need to make your scripts more dynamic. Instead of hardcoding values, you can pass variables to a PowerShell script at runtime. In this detailed tutorial, you’ll learn multiple ways to pass variables to PowerShell scripts, … Read more
Characters are stored internally as numeric codes—usually Unicode or ASCII values—and sometimes you need these numbers. For example, you might need to convert the letter ‘A’ into its numeric value 65 when preparing data for encryption or checking character ranges. In this tutorial, I explain multiple methods for converting characters into integers in PowerShell with real examples. Characters and … Read more
When working with text processing, data migration, or system integration in PowerShell, encoding challenges often arise. Unicode is now the default for most systems and applications. However, situations may require conversion to ASCII—for instance, when supporting legacy applications, cleaning data, or prepping information for APIs that cannot handle special characters. In this tutorial, I will … Read more
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