Microsoft Exchange and Active Directory Blog
Yesterday, Microsoft released a security update for Exchange 2016 and Exchange 2019. The update is classified as "Important" and should therefore be installed promptly. Here is the description of the vulnerability: A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory. An attacker who successfully exploited ... Read more
As we all know, Exchange 2019 places considerable demands on the hardware, so it can be difficult if a test environment is needed. If the test environment is also to contain several Exchange servers, hardware can quickly become scarce. Especially for test or dev environments, however, it is usually not worthwhile ... Read more
Microsoft has published details of the preferred architecture for Exchange 2019. This is a whole series of best practices for an Exchange 2019 environment. The article can be found here: Exchange 2019 preferred architecture Here is a short summary of the most important points and a few small comments on my part. Namespaces The best practice provides for 4 ... Read more
One of the new Exchange 2019 features are the "Client Access Rules". Client Access Rules can be used to restrict access to Exchange Server based on certain criteria. One use case would be, for example, to allow access to the EAC only from a management network. Unfortunately, the Client Access Rules in the Exchange 2019 ... Read more
I have divided the migration from Exchange 2016 to Exchange 2019 into four articles. To make the articles easier to find, here are the links in the appropriate order: HowTo: Migration from Exchange 2016 to Exchange 2019 (Part 1) HowTo: Migration from Exchange 2016 to Exchange 2019 (Part 2) HowTo: Migration from Exchange 2016 to ... Read more
In the last part of the article series "Migration from Exchange 2016 to Exchange 2019", the uninstallation of Exchange 2016 is prepared and the migration completed. The small Troubleshooting section is dedicated to the most common cause of failed or stopped MoveRequests. During migrations, problems can always occur that could not be ruled out beforehand. The causes can be ... Read more
In part 3 of the article series "Migration from Exchange 2016 to Exchange 2019", it is now time to migrate the data. Specifically, it is about moving the various mailboxes and public folders from Exchange 2016 to Exchange 2019. I am moving the various mailbox types individually here, if no public folders or shared mailboxes (shares) are used, you can ... Read more
Part 1 of the article series "Migration from Exchange 2016 to Exchange 2019" only described the test environment and the installation of Exchange 2019. Now the more interesting steps follow. This part is about the configuration of Exchange 2019 for co-existence with Exchange 2016. The aim of this article is to create a functional Exchange 2019 server and ... Read more
Now that Exchange 2019 and Windows Server 2019 are available, there is nothing standing in the way of migrating from Exchange 2016 to Exchange 2019. Only the change in licensing could be problematic for some: Exchange 2019 is only available in the volume licensing program. This is the first part of the article series "Migration from Exchange 2016 to Exchange 2019" ... Read more
Having already described the installation of Exchange 2019 on Server 2019 with a graphical user interface here, the recommended installation on Windows Server 2019 Core now follows. The installation of Exchange 2019 on Server Core is faster than on a server with a graphical user interface, once Exchange has been installed, you have to ... Read more
