Category Archives: PowerShell

Pushing and auditing companywide Exchange mailbox calendar permissions for multinational firms via Powershell

Posted on February 23, 2024 by mell9185

My team recently received a request to grant editor access to every employee’s mailbox so that our homegrown time off management system could push approved entries in the calendar of end users. We are currently an Exchange Hybrid environment, and … Continue reading →

Posted in Exchange, PowerShell | Leave a comment

Inventorying what extensionAttributes are used in your Active Directory Environment

Posted on July 10, 2023 by mell9185

Recently we my team was asked what extensionAttributes were in use in my company’s Active Directory environment so I wrote this quick PowerShell script to search for any filled in extensionAttribute and compile a list of that objects Then compile … Continue reading →

Posted in Active Directory, Exchange, PowerShell | Leave a comment

Adventures in PowerShell dot sourcing

Posted on April 15, 2020 by mell9185

As my company has started our journey to Office 365, we have had to go back and update a lot of our daily checks, scripts, and automations we put in place for user accounts. As a specific example we have … Continue reading →

Posted in Exchange, Office 365, PowerShell | Leave a comment

Sending an email with X-Headers in EWS via powershell

Posted on December 23, 2018 by mell9185

I recently needed to test sending an email via EWS with a bunch of custom X-headers. While I have worked with EWS in PowerShell before I couldn’t find any examples of how to do so but found plenty in Java … Continue reading →

Posted in EWS, PowerShell | Leave a comment

How to remove a user from a security group in a different domain in PowerShell

Posted on December 6, 2017 by mell9185

Recently I ran into an issue at my company removing a user in our primary domain from a group in our root domain using the AD cmdlets in PowerShell. All my company’s user, computer, and group objects are in our … Continue reading →

Posted in Exchange, PowerShell | Leave a comment

Using script blocks within doubled quoted strings in PowerShell

Posted on January 16, 2017 by mell9185

While working on a script to convert an XML export of a new chat application to EML files for ingestion into my company’s compliance system (A task I’ve been doing a lot of over the past year or so), I … Continue reading →

Posted in PowerShell | Leave a comment

Creating an array of arrays in powershell

Posted on October 13, 2016 by mell9185

Recently I had a need to convert a series of messages from one of my company’s Slack instances into EML files so they could be ingested into our compliance system. In the process of parsing the export file via PowerShell, … Continue reading →

Posted in PowerShell | Leave a comment

Powershell script to sync select details of calendar entries from one calendar to another

Posted on October 9, 2013 by mell9185

Recently at work I received a request to sync the calendar of one of our employee’s to the iPhone of a person external to the company. After much deliberation between all of our internal IT teams we decided on the … Continue reading →

Posted in EWS, Exchange 2010, PowerShell | Leave a comment

The 2013 Scripting Games, Beginner Event #3

Posted on July 18, 2013 by mell9185

Question Dr. Scripto has been fielding a lot of calls from the Help Desk lately. They’ve been asking him to look up information about the local hard drives in various servers—mainly size and free space information. He doesn’t mind helping, but … Continue reading →

Posted in PowerShell, Scripting Games | Leave a comment

The 2013 Scripting Games, Beginner Event #1 follow-up

Posted on June 30, 2013 by mell9185

It’s been a while since I blogged and i have the skeletons of multiple blogs post waiting to be edited. But now that I’ve settled into my new job and the scripting games have died down I can finally start … Continue reading →

Posted in PowerShell, Scripting Games, Uncategorized | Leave a comment