Exchange Server 2019 CU15 ist verfügbar

Heute hat Microsoft das CU15 für Exchange Server 2019 freigegeben. Bei CU15 handelt es sich um ein wichtiges Update für Exchange Server 2019: Zum einen ist es das letzte CU welches für Exchange 2019 veröffentlicht wird und zum Anderen bringt es Exchange 2019 auf die gleiche Code Basis wie Exchange Server SE. Nach der Installation … 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

Exchange Health Checker: Duplicate entry - IANA: Asia/Bishkek

In the Exchange security update of November 2024 there is a bug that causes problems with certain calendar functions and I Exchange Health Checker generates the following error: Microsoft writes the following: Issues occur when Exchange servers process calendar-related information and files such as .ical or .ics attachments You cannot preview the files or view them for ... Read more

Exchange Health Checker: Dynamic Memory Detected

It can happen that the Exchange Health Checker displays the following error in the report: This error is displayed for virtualized Exchange Servers where the "Dynamic Memory" feature is enabled for the VM. Dynamic Memory is not supported for Exchange Server, therefore the Exchange Health Checker shows this error. This error can occur with Exchange Servers ... Read more

Exchange Server 2019 and ECC certificates (Elliptic Curve Cryptography)

Since the Exchange Server April 2024 Hotfix Update, Exchange Server 2019 also supports ECC (Elliptic Curve Cryptography) certificates. However, there are a few things to bear in mind when using ECC certificates. In the following article, we take a look at what you need to consider. What are ECC certificates ECC certificates (Elliptic Curve Cryptography) are certificates that are based on ... Read more

Exchange security updates released again

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

Exchange Health Checker: Event Log - Not enough logs to cover

It can happen that the Exchange Health Checker displays the following error in the report: Actually, this is not really an error. A message as a warning would probably have sufficed. The error merely indicates that the size of the event log is too small (the application log is mentioned in the screenshot above). A ... Read more