So you are about to document your network and os environment? You don’t want to purchase 3rd party software? You want to list all server roles from all servers in your network? […]
List all Server Roles from all Windows Servers with PowerShell
Microsoft 365: Show Mailboxes that have Auto-Reply enabled
Mailbox auto-reply settings are usually created and defined by the users himself. If you want to get an overview of the auto-reply settings of your organization you have to ask every user: […]
PowerShell 7: Foreach-Object -Parallel
With PowerShell 7 a new feature has been introduced: Foreach-Object -Parallel. The parallel feature will speed up loops in PowerShell. In this blog post I will compare the old technique with the […]
Test-Connection (ping) with PowerShell 7
In one of my previous articles I dedicated myself to the modern version of ping called Test-Connection. I recently discovered that the cmdlet in PowerShell Core 7 offers more parameters than in […]
PowerShell: Manipulate Strings (Bulk) in Text Files for further processing
Lately, I’ve prepared some PowerPoint slides for the scripting module of a course for ongoing system engineers. Now it’s time to share my work with the PowerShell community. The slides are about […]
Microsoft 365: Add User Accounts and Mailboxes with PowerShell
More and more companies are moving to the cloud. Subscribing cloud services means less hardware maintenance, more comfort, and an “always-on” feeling. As an administrator, you have to get familiar with the […]
PowerShell: Understanding Parentheses, Braces and Square Brackets
The goal for this blog post is to demystify the usage of PowerShell brackets for scripters and PowerShell enthusiasts. You can find braces everywhere, in scripts, in the PowerShell help and in […]
Comparing Variables in Windows PowerShell and PowerShell 7
PowerShell automatic variables are stored and maintainanced by PowerShell. This applies to Windows PowerShell that is shipped with every Windows operating system as well as PowerShell downloaded via GitHub.
PowerShell Last Operation Status Variable: $?
The $LASTEXITCODE variable returns a code that tells you whether the last operation was successful or not. There’s another variable that is similiar and it is called $?. $? tells us if […]
Understanding PowerShell Pipeline Parameter Binding
This write up should give you a basic understanding how pipeline objects are processed. The piping technique allows a kind of connection between commands. Piping is a key technologie in PowerShell. In […]
PowerShell: Do-While vs. Do-Until vs. While
Understanding the differences between a do-while, do-until and while loop could be confusing. Is it the same? Why then two different techniques?
PowerShell: Endless Ping with Test-Connection (Test-Endless)
If you look up how a ping can be done endlessly with Test-Connection, you will usually find solution with a while loop or something else complicated. The dilemma is that ping provides […]
Office 365 | Exchange Online: List inactive Mailboxes
Retired employees are usually reported to the IT department, but for whatever reason this is not always the case. As an Office 365 administrator, you might want to know which user haven’t […]
My name is Patrick Gruenauer. Microsoft MVP on PowerShell. Have fun reading.
