Powershell

Windows 8.1 or Server 2012 R2 To update Group Policy settings on a remote machine, use Invoke-GPUpdate, and submit the name of the computer where...

Windows 8.1 or Server 2012 R2 Both Windows 8.1 and Server 2012 R2 come with a module called “PrintManagement”. It includes all cmdlets...

All PowerShell versions PowerShell uses short names for the most common .NET types. To see if there is a short name for a .NET type you are using,...

PowerShell ISE 3.0 and later To turn PowerShell code to all uppercase letters in PowerShell ISE, select the text, then press CTRL+SHIFT+U. To turn...

PowerShell Version 3 and later To permanently map a network drive, use New-PSDrive with the –Persist parameter. This parameter makes the drive...

All Versions If your script wants to output warnings or error messages, you can use Write-Warning or Write-Error. Both cmdlets will use the default...

PowerShell 2.0 and later Here is a function that illustrates two things: it shows how you can limit a parameter to a given data type, and it shows...

PowerShell 3.0 and later The PowerShell ISE supports line breakpoints only: they make the code stop once the debugger hits that particular line. You...

Windows 7/Server 2008 R2 To detect whether a script runs in a 32-bit or 64-bit environment is fairly easy: check a pointer size, and test whether it...

All PowerShell Versions If you'd like to audit NTFS permissions on your file servers, here is a suggestion how you could start. This script...

All PowerShell versions Typically, NTFS permissions in the file system are inherited. You can, however, add explicit permissions to files and...

All Versions Typically, to access COM objects, these objects need to register themselves in the Windows Registry, and PowerShell needs the...

PowerShell 3.0 and later When you use Get-ChildItem to list files, by default, hidden files are excluded. To include hidden files, use the...

GroupPolicy Module When you create a new Group Policy, you can set a comment (or description). There is no apparent way, however, to change the...

PowerShell 2.0 and later This sample code finds all PowerShell scripts in a given drive, then checks the scripts for valid digital signatures, and...

All PowerShell versions When you run native EXE console commands inside your scripts, these commands typically return a numeric return value. This...

[WindowsAPILib.Helper _i="0" _address="0" theme_builder_area="post_content" /][WindowsAPILib.Helper _i="1" _address="1"...

All Versions To extract certain parts from raw strings, you can often use a combination of text splitting and text substring commands. For example,...

All PowerShell versions If you need to stress test systems, or need large dummy files for other purposes, here is some code that can create even...

All Versions To make sure output text is not excessively long, you can use logic like this to shorten text that is longer than a given maximum...

ActiveDirectory Module We already illustrated previously how you can use Get/Set-Acl to read and write permissions to files and folders. The truth...

All versions Here is yet another approach that you can use to detect errors emitted by console applications: $ErrorActionPreference = 'Continue'...

All PowerShell versions With Get-Acl, you can output the security information from files and folders as plain text in SDDL format (Security...

All PowerShell Versions Here is some simple code that reads the NTFS permissions from one folder and applies the exact same settings to another....