Journaling on Exchange (on-premise) is a feature that is often needed, especially for companies that have an obligation to the authorities to comply with the retention obligation. With Exchange online this is a little more difficult. 3rd party tools should be used for this, as native journaling is not intended. I have developed a solution […]
Overview: This comprehensive guide provides PowerShell commands for migrating email domains in hybrid Microsoft 365 and Active Directory environments. The scripts cover updating User Principal Names (UPNs), managing Exchange Online mailbox addresses, and configuring Active Directory proxy addresses. Table of Contents Prerequisites Step 1: Update User Principal Names (Microsoft Graph) Step 2: […]
Setting “SendAs” and “FullAccess” authorizations is basically old hat. There are many blog articles and also many scripts on how this can be done for a large number of mailboxes. Nevertheless, I have taken the time to write such a script, which I would like to share with the community. What makes my script different […]
Introduction In this article, I describe one of the most elaborate scripts I have ever written for the community. This script is about defining a standard for how a tenant assessment can be carried out. Everyone who works as a consultant, solution architect or similar in the Microsoft 365 world faces more or less similar […]
Introduction I’ve delved into the world of PowerShell scripting to create a solution that records and reports the current utilization of meeting rooms in Exchange Online. If you’re looking to optimize your meeting room usage and get detailed insights, this script is for you! Script Overview The PowerShell script I’ve developed is designed to […]
It’s been a few days now since Microsoft announced the next Exchange Server version. You can read my article and the corresponding link to the Microsoft announcement again at the following link: This article takes a closer look at the first further questions about the new Exchange version. Does the new Exchange Server require […]
Microsoft, or rather the relevant product teams, have today made a number of announcements regarding the Deprecation of various services. Here is a summary of the announcements. The three most important points announced are as follows: Abolition of Basic Auth for Outlook.com Basic authentication is a common method that applications use to connect to […]
Microsoft revealed today their plans for Microsoft Exchange. This means that a new Exchange version is being released. This is correct, but… In the middle of next year, the new Exchange will arrive. It will have some differences, beginning with the name. It will not have a year number as before, but a final […]
This article is a continuation – i.e. Part 2 – of the article Recommendation – Microsoft 365 authorization concepts – Part 1. In this article, the following topics are now dealt with to complete the start for understanding an authorization concept: Configuration of Exchange online RBAC at Administrative Units level Configuration of automatic users, guests […]
Especially during a messaging migration, situations may arise where external message forwarding has to be set up for several users. One of the reasons, given as an example, may be that the affected users have to be migrated to a new tenant and a new primary SMTP has to be used on this tenant. To […]
Foreword In this article, I describe one (of several) ways in which a mailbox migration can be carried out from, for example, an old on-premise infrastructure to a new Exchange online migration. In my practical example, the two sites are on different tiers, and have no connection to each other. Once again, this is one […]
There are various reasons why the Outlook cache needs to be deleted. One of the most common reasons is after a migration, for example to Exchange online. The Outlook cache can be deleted in various ways. However, as an administrator, we are interested in doing this centrally from one place. In this article, I would […]