Microsoft Exchange and Active Directory Blog
Exchange Emergency Mitigation (EM) is, as already mentioned in this article, available from CU 11 for Exchange 2019 and CU 22 for Exchange 2016. The way it works is as simple as it is effective: The Exchange servers check every hour whether there is a new set of rules for mitigating a vulnerability. For this purpose, a signed XML document is sent every hour from ... Read more
After the update is before the update. Today, Microsoft released the Cumulative Updates for Exchange Server 2016 and 2019. Both CUs contain the previous security updates from 02.03.21. CU 20 is the penultimate CU for Exchange Server 2016, after which only security updates will be released. For Exchange 2016, the last ... Read more
Zevenet Loadbalancer is the successor to Zen Loadbalancer, for which I wrote a howto some time ago. Zevenet Loadbalancer is particularly suitable for test environments as it is quick to install and configure and is also free of charge. So here is an updated how-to on Zevenet and Exchange 2019. The Zevenet load balancer ... Read more
Various users keep reporting problems with the search function of Outlook and OWA in connection with Exchange Server 2019. I have also had problems with the search function and the Exchange 2019 index, which I have already described here: A reader also has problems with the search after the migration to Exchange 2019 and in addition ... Read more
Microsoft has announced the Exchange 2019 Sizing Calculator. As with Exchange 2016 and earlier versions, this is an Excel file that can be used to calculate the hardware requirements for new Exchange 2019 installations. Unfortunately, the Sizing Calculator cannot be downloaded, but will be delivered together with the upcoming CU2 ... Read more
In part 3 of this article series, I described the configuration of the ELK components. If someone has already built the environment up to this point, there should already be some data records from the Exchange Message Tracking Logs in the Elasticsearch instance. Introduction This article is about the creation of a simple Kibana dashboard, which provides initial data ... Read more
I have now received a lot of questions about Outlook on Windows 7 in conjunction with Exchange 2019. The error and solution have always been the same, so here is a short article about it. Outlook (regardless of the version) on Windows 7 cannot connect to Exchange Server 2019. Outlook then displays this message at startup ... Read more
Exchange 2019 has adopted the familiar principle of the Database Availability Group (DAG). There are no major changes to the DAG. However, something has changed in the databases. The index is now part of the database and no longer ghosts around separately in the file system. Exchange 2019 also offers the option of using SSDs as ... Read more
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
