Microsoft Exchange and Active Directory Blog
In the second part of the migration from Exchange 2016 to Exchange 2019 CU15, Exchange 2019 was configured. This part now deals with the migration of the mailboxes to the new server. Finally, the old Exchange 2016 server can be uninstalled and the migration completed. Migrating the mailboxes The mailboxes can be migrated via the Exchange Admin Center ... Read more
In the first part of this article series, I briefly introduced the environment, the Exchange 2019 server has now been installed and the configuration and migration can begin. The second part deals with the configuration of the installed Exchange 2019 server. Here is an overview of the environment: If it is a larger Exchange ... Read more
The new Exchange Server version is expected this year. It makes sense to start working on the migration of existing Exchange 2016 servers to Exchange SE now, as the time window for the migration is short. However, this is not a problem if you prepare in good time. This article is about the migration of ... Read more
CU15 for Exchange Server 2019 was recently released, heralding the end of Exchange 2019 servers and the beginning of Exchange Server SE. This article is generally about preparing for the migration and the options for the introduction of Exchange Server SE. Background and facts Microsoft already recommends ... Read more
Here in the forum and on the Exchange Team Blog there are indications that the installation of the November update for Exchange Server 2016 / 2019 may cause problems. It seems that once again there are problems with servers with German or non-English operating systems when the January update for the Windows Server is installed. ... Read more
The security updates that caused problems with transport rules were released again today. The new updates have the suffix "v2" and are intended to fix the problems. Microsoft writes the following: If the original version of the update is already installed, the V2 update must now be installed to resolve the issues. Even if the original update ... Read more
The security updates for Exchange Server 2016 and 2019, which were released on 12.11.2024, cause problems with the transport rules. In the Exchange Team Blog and in various forums, users are reporting that the transport rules of the Exchange Server no longer work or only work shortly after restarting the Exchange Transport Services. When transport rules are used ... Read more
Microsoft has released new security updates for Exchange Server 2016 and 2019. Click here to download directly: The security update also includes new features: Improvements to the integration of AMSI in Exchange Server As of the release of the November 2024 security update, the ability of products that use Exchange Server AMSI integration has been enhanced to perform additional tasks ... Read more
The CERT-Bund warns on X of more than 15,000 Exchange servers in Germany that are openly accessible from the Internet with at least one vulnerability. Some of the vulnerabilities are already being actively exploited. In March 2024, the BSI had already warned of 17,000 Exchange servers that are openly accessible from the Internet and contain known vulnerabilities. The ... Read more
When configuring mailbox permissions for a group, the following error may occur: The user "testgruppe" was found in Active Directory but isn't valid to use for permissions. Try an SMTP addressinstead. Permissions for groups can only be assigned if it is a security group. For a security group, the values for ... Read more
