[German]A brief note for administrators who have Windows 11 Enterprise LTSC 2024 in their environment. On March 16, 2026, Microsoft released an out-of-band (OOB) update, KB508489, as a hotpatch for this operating system. This update is intended to resolve issues in the Bluetooth stack of the Long-Term Servicing Channel (LTSC) version of Windows 11 Enterprise LTSC 2024.
[German]Microsoft has confirmed two issues with Microsoft Outlook Classic that are currently under investigation. One issue involves a failed connection to Exchange servers when creating groups. The other issue concerns the synchronization of Outlook clients after a password has been changed for Gmail and Yahoo accounts.
[German]A blog reader contacted me last week to ask whether BIOS version 1.08.01 for the HP EliteBook 660 G11 had been withdrawn. The revocation of the BIOS version has been confirmed by third parties. However, there is no information about what might have happened (only speculation that Samsung memory caused blue screens).
[German]Microsoft has unexpectedly released an emergency update (hotfix) for Windows 11 24H2 and 25H2 on March 13, 2026. This security update is intended to address a security issue in the RRAS management tool (Windows Routing and Remote Access Service). As far as I can tell, it is only available via the Hotpatch channel.
[German]A question for all Exchange Online tenant administrators. Are you currently still able to set or change permissions for public folders? A blog reader contacted me because he's been having trouble with his tenant for the past few days—he can't make any changes to permissions. The reader reported that this issue has now also affected some of his clients' tenants.
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[German]Quick question for blog readers who use Windows 11 24H2 or 25H2 and install preview updates. A blog reader contacted me this a couple of days ago, because various updates, which are normally optional, were installed automatically on his computer. Upon checking, he noticed that the value for the "Optional Updates" group policy had been changed.
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, serious vulnerabilities in Excel were fixed (see also the blog post Microsoft Security Update Summary (March 10, 2026)). Below are a few information about the available updates.
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided for these Windows Server versions (from Windows Server 2012 to 2025) that are still in support – some need an ESU license.
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), Microsoft released cumulative updates for the still-supported client operating system versions of Windows 10 (with ESU license) and Windows 11. Here are some details about these updates, which are designed to fix vulnerabilities and issues.
[German]On March 10, 2026, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 83 vulnerabilities (CVEs), 8 of which are critical, and 2 of which were classified as zero-day vulnerabilities. Below is a brief overview of these updates, which were released on Patch Day.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
