HowTo: Migration Exchange 2016 to Exchange Server 2019 CU15 (Part 1)

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

Preparation for the Exchange Server SE migration

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

Useful tools for the email admin

At this point I would like to give you an overview of my favorite tools for the overview of e-mail relevant settings and troubleshooting. The tools often help me to analyze and fix problems in the mail flow. Often the problems with sending or receiving emails are not caused by you, but by the sender or ... Read more

Windows Server 2025 vmware Template: Customization does not work

With a new Windows Server 2025 template for vmware, the customization of the operating system with a "VM Customization Specifications" did not work. Brief explanation: With vmware vSphere, VMs can be created from a template. The template is a template with the operating system installed and all relevant basic settings. New VMs can be cloned very quickly from this template. ... Read more

FrankysWeb in English language

Thanks to artificial intelligence, FrankysWeb is now also available in English. Not all posts have been translated yet, but the number is steadily increasing. To read a post in English, you can now switch the language. There is a switch for the language in the ribbon: If the post has already been translated, it will ... Read more

Installation Exchange 2019 CU14 on Windows Server 2025

Microsoft has now also released Exchange Server 2019 CU14 for Windows Server 2025. Originally, CU15 was to be released for Windows Server 2025 first, but this step has now been brought forward. The release of CU14 for Windows Server 2025 serves as preparation for the upgrade to Exchange Server SE. This means that existing Exchange Servers can now be upgraded to ... Read more

Exchange 2019 CU15 postponed again

The latest Cummulative Update for Exchange Server 2019 has been postponed again Originally, CU 15 for Exchange 2019 was supposed to be released in December 2024, but the release was postponed to January 2025. On the last day of January, a message appeared on the Exchange Team Blog stating that CU 15 had been postponed again. The CU15 will be the ... Read more

Exchange 2019: Monitor the maximum size of the database

I had already reported on the 1TB limit for Exchange Server 2019 Standard Server in a previous article. Exchange Server Standard Edition no longer mounts a database above a size of 1 TB. Unfortunately, this is often only noticed when it is too late. For example, if a database reaches the 1TB limit during the normal ... Read more

An error occurred during the installation of assembly: Exchange Update and Windows January Update problems

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