PowerShell – How to find users without default quota set on Microsoft Exchange

As you may know, PowerShell has multiple streams. Write-Output, Write-Error, Write-Warning, Write-Verbose, Write-Debug, and Write-Information. It also has Write-Host which until PowerShell 5 was a bit special. Since PowerShell 5.1 it’s a wrapper over Write-Information, so it doesn’t kill puppies anymore. While I could spend the next five pages trying to give my best and describe those streams, there are already many articles describing them in detail. Please check the following link if you need that information.

I’ve been working with PowerShell Modules for a while now, and most of my knowledge about them came from Warren F (psCookieMonster) blog about Building a PowerShell Module. It is a handy piece of information and recommended read for anyone starting up writing PowerShell Modules. He introduces an idea where a module is stored in multiple folders Private, Public, Bin, Lib and so on and having YourModule.psm1 as a wrapper for functions, binaries in those folders, where each function is stored in its file. It’s an excellent concept, and I use it every day. It allows me to jump into a file quickly I want to find and fundamentally easier for development, especially in teams.

I’ve been working today on a little project when suddenly my modules stopped working. It was weird because I have not touched anything that could cause it. A message was a bit cryptic mentioning that my PSWriteColor module is required but not available. I’ve decided to try and load PSWriteColor manually using Import-Module command.

Few weeks had passed since I’ve initially written PowerShell – Few tricks about HashTables and Arrays I wish I knew when I started. I was happily using my tips and tricks myself till today when I noticed a strange problem. Do you know how I showed you that you could use a comma to return Array with just one member (that otherwise would be unwrapped and end up a string)?

Hosting your VM’s in Azure Cloud is excellent. You have all those features, professionally managed and virtually limitless. I don’t want to take your time to sell you Azure Services but to share a solution to one of the things I had to solve in Azure and sooner or later you may end up with on. During the test restore for Active Directory and multiple other machines which were much older (or newer) then Active Directory Domain Controller that was restored it turned out one can’t log in to most of the devices. First of all your domain password is already changed, but that can quickly be addressed. Your second and more significant problem is Network Level Authentication (NLA), and your 3rd problem is broken trust relationship.

During Microsoft Exchange 2010 to Exchange 2013 Migration one of the steps is to migrated all mailboxes from old servers…

Another day, another issue one may say. Today I wanted to install one of my modules to a new server and was greeted with a well-known message (it may seem on first look): A command with name ” is already available on this system. This module 'PSEventViewer’ may override the existing commands. If you still want to install this module 'PSEventViewer’, use -AllowClobber parameter.

In the last few days, I’ve got two reports that my PowerShell module for Office 365 Health suddenly started giving errors. This was a bit weird because it worked perfectly fine on my end. But while I could understand one person having an issue of their own, with their network or firewalls, if the second person comes along with the same report, that means something else is going on.

Since my website went down in fire with OVH SBG2, I used this occasion to publish my restored website via Cloudflare. It allows me to have to cache, minimization, and some additional security. One thing that caught my attention while browsing through Cloudflare settings was the Always Online feature based on web.archive.org. Basically, the concept is – whenever the website is down, Cloudflare would go and fetch content from web.archive.org.

When you work with HTML, CSS, and JavaScript, you often meet three versions on how those are stored in files – minified, formatted, somewhere in the middle (usually a total mess). I have all three versions in my PSWriteHTML module. Some are minified 3rd party resources, some are generated by my PowerShell commands (and are a total mess when it comes to formatting), and finally, some are formatted resources by using built-in VSCode features. In whatever form they are, they generally have no impact on how browsers display them. Browsers will read them in any kind and not care for how they look.

Working with Office 365 is my bread and butter in the last few months. I’m a System Architect and I am dropped in multiple projects, both new and old, to fix certain aspect and get out before anyone sees me. One of the common tasks I get is to provide some data about users stored in Office 365.