PowerShell: Creating the System Management Container

If you’ve ever worked with Systems Management Server (SMS) 2003 or System Center Configuration Manager (ConfigMgr / SCCM) 2007, you probably are familiar with the step of creating the “System Management” container underneath the “CN=System,DC=mydomain,DC=com” container in Active Directory. Normally you have to go into ADSIEdit.msc in order to do this, since you can’t create … Read morePowerShell: Creating the System Management Container

PowerShell: Cleaning Up Empty ConfigMgr Collections

Someone recently posted on the MyITforum ConfigMgr mailing list, asking how to delete a bunch of old, empty collections in ConfigMgr. I took this opportunity to write a simple PowerShell script that will do just that. The code simply iterates over all collections, looks to see if each collection has members, and if not, then … Read morePowerShell: Cleaning Up Empty ConfigMgr Collections

PowerShell: PowerEvents Module

Hey guys, I haven’t written anything new in a while, because I’ve been working on a PowerShell module called PowerEvents. PowerEvents is a module that facilitates working with WMI (Windows Management Instrumentation) permanent event registrations. You can query for and respond to events, all from within WMI! PowerEvents simply makes creating those registrations easier. For … Read morePowerShell: PowerEvents Module

PowerShell: Dynamic Parameters and Parameter Validation

Background on Parameter Validation PowerShell advanced functions allow their creators to specify a fair amount of metadata that describes their parameters. One huge benefit of parameter declarations in PowerShell is that it’s possible to validate input right at the parameter level, before you execute any code in the body of the function. This helps make … Read morePowerShell: Dynamic Parameters and Parameter Validation

PowerShell Quick Tip: Determine STA Threading Mode

Some code in PowerShell requires you to use the Single-Threaded Apartment (STA) threading model. The PowerShell version 2.0 console host uses Multi-Threaded Apartment by default. The PowerShell Integrated Scripting Environment (ISE) uses the STA threading model. If you’re writing code using the WPK module included in the PowerShellPack, you will need to ensure that you … Read morePowerShell Quick Tip: Determine STA Threading Mode

PowerShell: Disable CapsLock

Here’s a quick code snippet that shows how to disable CapsLock using PowerShell, combined with some embedded C# and .NET Interop (aka. P/Invoke.NET) code. Credit goes to “BobS00327” for the C# code necessary to handle this. function Set-CapsLock([switch]$Disable = $true) { $CapsCtrl = @" using System; using System.Runtime.InteropServices; using System.Windows.Forms; public class CapsLockControl { [DllImport("user32.dll")] … Read morePowerShell: Disable CapsLock

PowerGUI: Save Time, Customize Snippets

Introduction Quest’s PowerGUI Integrated Development Environment (IDE) offers the ability to insert code snippets, similar to Microsoft Visual Studio. This saves a lot of typing, and gives you the general framework for whichever PowerShell construct you’re trying to us, for which you only need to fill in the specifics. These code snippets are conveniently stored … Read morePowerGUI: Save Time, Customize Snippets

PowerShell Module: Enable Wake for Devices

So in my last post, I shared a PowerShell script that enables you to enable devices to wake up computers. This script relies solely on a WMI interface, but despite the remote nature of WMI, I had provided no method of entering a remote computer name. That changes with the release of my first ever … Read morePowerShell Module: Enable Wake for Devices

PowerShell: Enable wakeup for devices

Introduction Sometimes, if you allow your computers to go to sleep regularly, you may want to ensure that they can be easily woken using their keyboards, mice, or other peripherals. End users can get confused if they are only able to wake their computer by pressing the power button; sometimes this is made even more … Read morePowerShell: Enable wakeup for devices

List of WMI Privileges

Microsoft has a published list of optional WMI privileges at the following link: http://msdn.microsoft.com/en-us/library/aa392758(VS.85).aspx These privileges are sometimes necessary for enabling certain operations in WMI. For example, if you do not specify the Security privilege when accessing instances of the Win32_NTLogEvent WMI class, you will not be able to view event log entries from the … Read moreList of WMI Privileges