Microsoft Exchange and Active Directory Blog
During the migration from Exchange 2016 to Exchange 2019, I encountered the problem that Outlook constantly asks for username and password. A connection via Outlook to Exchange could no longer be established as soon as the DNS entry (or the load balancer) was switched to the new Exchange 2019 servers. However, OWA and ActiveSync worked without any problems. In ... Read more
When installing new Exchange 2019 servers in an existing Exchange 2016 organization, I came across the following error. The Exchange 2019 setup asked for the organization name during the installation of the first Exchange 2019 server. The request for the organization name must not appear during the installation in an existing Exchange organization, because ... Read more
In the last part of the Exchange 2013 to Exchange 2019 migration, the environment is cleaned up and Exchange 2013 is uninstalled. The first two articles can be found here The mailboxes and public folders have already been moved to part 2. Only a few simple steps are required to uninstall Exchange 2013 and complete the migration: Send connector ... Read more
This is the second part of the Exchange 2013 to Exchange 2019 migration. The first part can be found here: Now that the Exchange 2019 server has been configured in the first part, the actual migration can begin. Converting DNS entries Before starting the migration of data such as public folders and mailboxes, the DNS ... Read more
Microsoft would like to improve the installation of Cumulative Updates (CUs) and Security Updates (SUs) for Exchange Server and is therefore asking for feedback from administrators in an anonymous online survey. Until the end of January 2023, Exchange administrators can fill out an online form and, if desired, also provide contact details to discuss possible improvements. Since readers of my blog keep ... Read more
Support for Exchange Server 2013 ends on 11.04.2023, after this date there will be no more security updates for Exchange 2013. It is therefore high time to consider the migration from Exchange 2013 to Exchange 2019. The migration should not present any major hurdles and corresponds almost 1-to-1 to the migration from Exchange 2013 to ... Read more
Microsoft has released new security updates for Exchange Server 2013, 2016 and 2019 today. The security updates also include a new security feature, which currently still needs to be activated manually: Click here to download the security updates: The security updates fix the following security vulnerabilities classified as important: New security feature: Certificate Signing of PowerShell Serialization Payload To prevent ... Read more
I have already written several times about the configuration of certificates on Exchange servers, but mostly I have dealt with the front end certificates. However, Exchange servers also have a back end which is configured with a self-signed certificate. The back end certificate does not have to be replaced by a publicly valid certificate or by a ... Read more
In this article there is once again a small script that can display the status of important Exchange parameters. The script clearly shows the status of the databases, queues, services and storage space. So you can get a first quick overview of the Exchange status in case of problems. The script can be downloaded from GitHub: ... Read more
I have just uploaded version 3.12 of the Exchange Reporter. The new version fixes 3 small bugs: The current version can be downloaded here: If you find any problems, please use the following form to report them. You can also use the form to send feature requests or other suggestions: I am currently working on the Exchange ... Read more
