Microsoft Exchange and Active Directory Blog
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
It's been a while, but I still wanted to give you a brief update. Microsoft has introduced Office 2024. Outlook 2024 is also included in the new Office. This means that there is also a fresh Outlook for Exchange Server SE. Unfortunately, the new Office does not yet appear in my Visual Studio subscription. The various ... Read more
The end of support for Exchange Server 2019 and 2016 is approaching. Support for both versions will end on October 14, 2025, from which date only Exchange Server SE (Subscription Edition) will be supported. However, upgrading to Exchange SE is much easier this time than before, at least if Exchange Server 2019 is already in use. Here is a ... Read more
I have just uploaded a new Exchange Reporter version to GitHub. This is the first Exchange Reporter version which is available on Github. Since I don't have much time to develop the Exchange Reporter anymore, it would be nice if people would participate in the development. Github should now make this much easier than ... Read more
The next Exchange Server version will be released in the third quarter of 2025. This is already known, but a few more details are new. Here is some news: The next Exchange Server version will simply be called Exchange Server SE. SE stands for "Subscription Edition", just like SharePoint SE, the new Exchange Server version will be ... Read more
Microsoft has released new updates for Exchange Server 2016 and 2019. The hotfix update (HU) is intended to fix the problems of the previous security updates (SU) from March 2024. In addition to the fixes for the quite numerous problems of the March SU, two new features are also added with this hotfix update: Click here to go directly to the ... Read more
BIMI stands for "Brand Indicators for Message Identification" and is a fairly new standard designed to help users distinguish legitimate emails from spam and phishing emails. BIMI is intended to enable companies to display the company logo in the recipient's inbox. Outlook users will be familiar with a very similar procedure, where the sender's photo in Outlook ... Read more
Like the updates for Exchange Server, the March update for Windows Server also contains a serious error. The update causes a memory leak in the LSASS process, which can then lead to a domain controller restarting or crashing. Only domain controllers are affected by this problem; the problem does not occur on normal member servers. Currently ... Read more
Microsoft has announced the new Office 2024 version as a purchase license. The new Microsoft Office 2024 does not require a subscription, but can be purchased regularly. According to Microsoft, there will be two versions of Office: Office 2024 and Office LTSC 2024. Office LTSC 2024 will receive five years of support and will be offered in Professional Plus, Standard and Embedded versions. ... Read more
