Dieser Blog Post ist wieder mal in Deutsch. Warum? Weil es um Umlaute der deutschen Sprache geht. Umlaute haben in der Informatik wenig zu suchen und machen auch deshalb Probleme beim Import […]
Microsoft 365: Find and Show Active Sync Users
Active Sync allows users to connect their smartphone with Microsoft 365, respectively Exchange Online. Do you know which users have this feature enabled? If not, read on. I will give you a […]
Exchange Online – Get total size of all mailboxes
Wouldn’t it be good to have an easy way to get the total size of all mailboxes you host in Exchange Online? Yes? Challenge accepted! Using the new Exchange Online PowerShell module […]
Exchange Online PowerShell v2 module by Roland Ehle
Microsoft recently published the new version of the Exchange Online PowerShell module. This module can be used to address timeout issues when working in bigger environments with many mailboxes but it has […]
Video: PowerShell 7 Cmdlets as a replacement for ping, arp, traceroute and nmap
Hi PowerShell fellows, In this video I show you how to use PowerShell 7 cmdlets for various network tasks. Find the code samples at the very bottom. Hope you enjoy it!
Microsoft 365: List Send and SendAs Permissions of all Users
This is another blog post about Microsoft 365 and Exchange Online. This time I will dedicate myself to a feature that is Outlook and Exchange related. What I am talking about is […]
Microsoft 365: List User Mailboxes sorted by Mailbox Size
In this blog post I will show you how you can get a list of your Microsoft 365 Exchange Online recipients sorted by size. I am a documentation geek so it’s not […]
Windows: Find and eliminate Duplicate Files with PowerShell
We are living in a big data world which is both a blessing and a curse. Big data usually means a huge number of files such as photos and videos and finally […]
PowerShell: Creating Event Entries with Write-EventLog for Monitoring Purposes
Did you know that you can easily write something to the event log? For example, if you try something and it didn’t work then you can use the event log for monitoring. […]
PowerShell: Create a Graphical Desktop Shortcut with Computer Info and Link to the Ticket System (Helpdesk)
As adminstrator you are not only responsible for assigning group policies or playing the cop who always watch what users do or not. A major part of your duties is to make […]
PowerShell 7: Pipeline Chain Operators && and ||
With PowerShell 7 new operators were introduced. We call them chain operators. Chain operators enables you to do something after doing something. They use the $? and $LASTEXITCODE variable to determine whether […]
List all Server Roles from all Windows Servers with PowerShell
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? […]
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: Creating Functions that accept Pipeline Input (ByValue)
You probably have already created your first function in PowerShell and now you want that your function is capable of pipeline input. Right? Ok, you’ve come to the right place. In this […]
PowerShell 7: Foreach-Object -Parallel
With PowerShell 7 a new feature was 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 new […]



