G-Suite to Office 365: Meeting Room Interop

One of the challenges when migrating from Google Suite to Office 365 is coexistence – mail routing is not that hard to configure, and free / busy (Calendar Interop) is now available and works fairly well. Google’s instructions are pretty straightforward and are available here. Just remember that you need to disable your user’s calendar … Read moreG-Suite to Office 365: Meeting Room Interop

PowerShell: Connect to Exchange Online – MFA Style

I’ve been using my Exchange Online connection script for some time now, and I love it – however, one of the biggest failings of that PowerShell module is that it doesn’t support MFA, which is becoming more common as a requirement as we go along. Thankfully, Microsoft has released a new PowerShell module for connecting … Read morePowerShell: Connect to Exchange Online – MFA Style

Hierarchical Address Book Creation

I recently needed to configure a hierarchical address book (HAB) on one of my projects, and the process was interesting enough that I thought it was worth sharing – like most things I post, this is more a collection of all the different places where I’ve researched how to do something, and put together what … Read moreHierarchical Address Book Creation

PowerShell: Add Multiple Domains to Office 365

Usually, adding email domains to Office 365 is a pretty straightforward affair, and I usually just add them through the Office 365 admin portal. However, if you need to add multiple domains into Office 365, clicking through them one at a time is a painful process – I was recently working on a project that … Read morePowerShell: Add Multiple Domains to Office 365

PowerShell: Create Admin Credentials

This post is the second in a series on short posts with some of my favorite PowerShell tips and tricks (first one here, in case you missed it). This next script is another building block I use in many other scripts – especially ones where I know I’m going to be connecting to the same … Read morePowerShell: Create Admin Credentials

PowerShell: Connect to Exchange Online

I know there’s a number of scripts out there that can handle automating (or at least simplifying the process of connecting to Exchange Online – I’ve realized over the years, though, that there’s a number of tips and tricks that I’ve adopted to make my day to day life easier. Here’s one of them… I … Read morePowerShell: Connect to Exchange Online

Use PowerShell to find Mail Contacts

It seems like one of the tasks I do the most on projects is discovery and documentation of existing settings in a client’s environment. While there’s a number of reports in the Office 365 portal, I find that nothing beats PowerShell for getting just what I want when I want it – and this time … Read moreUse PowerShell to find Mail Contacts

PowerShell: Connect to Lync Online

The issue: unable to discover PowerShell endpoint URI I don’t run into this error very often, but it’s happened enough times in the last few weeks that I really wanted to come up with a permanent/elegant solution. This error can happen when Lync/Skype is configured in a hybrid deployment, and autodiscover is pointing back on-prem … Read morePowerShell: Connect to Lync Online

Resize Azure Managed Disk

I recently was trying to resize the OS Disk of an Azure VM that I had just created, and ran into an error while using these instructions. In case you missed it, make sure you stop/deallocate your VM before trying to update the disk – otherwise it’ll just fail on you. For the record, this … Read moreResize Azure Managed Disk

MigrationPermanentException: Cannot find a recipient that has a mailbox GUID

Ran into the following error while attempting to offboard a mailbox (migrate it back on prem from Exchange Online): MigrationPermanentException: Cannot find a recipient that has mailbox GUID ‘xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx’ This error is usually caused when a mailbox is created directly in the cloud (New – Office 365 Mailbox in Exchange console on prem). The Exchange … Read moreMigrationPermanentException: Cannot find a recipient that has a mailbox GUID