Vulnerability cause of Exchange Online and MS 365 problems since March 1, 2025?

Posted on 2025-03-14 by guenni

[German]Microsoft has been struggling with cloud outages in Exchange Online and Microsoft 365, including the iOS Outlook app, since March 1st, 2025. At the same time, I have just come across information about the CVE-2024-49035 vulnerability on the Microsoft Partner Portal. There are now indications that the Exchange Online issues could be related to a vulnerability. And there are suspicions that customers may have been compromised. I'll summarize some of the information that I see as pieces of the puzzle in a certain (unfortunately still incomplete) picture.

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Microsoft retires the Remote Desktop app as of May 27, 2025

Posted on 2025-03-14 by guenni

Windows[German]Brief information for users who use the Remote Desktop app for Windows (e.g. because the RDP connections do not work). It has just been announced that Microsoft will discontinue the Remote Desktop app for Windows on May 27, 2025. It will be replaced by the "Windows app", which will come from the Store.

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HP firmware update makes laser printer unusable (Error 11)

Posted on 2025-03-13 by guenni

Stop - Pixabay[German]Next case of "HP rolls out a firmware update for printers and breaks them". The manufacturer HP has released a firmware update for printers which is intended to correct a number of errors. Shortly after the release, numerous users reported that their devices were broken and only displayed error 11. I am posting the facts here in the blog.

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Patchday: Microsoft Office Updates (March 11, 2025)

Posted on 2025-03-13 by guenni

Update[German]On March 11, 2025 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for Microsoft Office 2016, as well as the C2R variants (Office 2016-2021 and 365) and other products. No updates were released as of March 4, 2025. Below you will find an overview of the available updates.

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Windows 10/11: USB printers print random texts after January 2025 update

Posted on 2025-03-12 by guenni

Windows[German]Microsoft has disclosed a new problem that affects both Windows 10 and Windows 11 and is caused for the first time by the January 2025 preview update. Some USB printers may then "possibly" print random text. The problem has already been fixed by rolling back a fix via the built-in KIR feature.

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Patchday: Windows Server-Updates (March 11, 2025)

Posted on 2025-03-12 by guenni

Windows[German]On March 11, 2025 (second Tuesday of the month, Patchday at Microsoft) various cumulative updates were released for the supported versions of Windows Server. Below I have extracted the provided updates along with some details for these Windows Server versions (from Windows Server 2012 to 2025). The updates fix the vulnerabilities described in blog post Microsoft Security Update Summary (March 11, 2025), that are relevant for Windows Server.

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Patchday: Windows 10/11 Updates (March 11, 2025)

Posted on 2025-03-12 by guenni

Windows[German]On March 11, 2025 (second Tuesday of the month, Patchday at Microsoft), Microsoft released cumulative updates for the still supported client operating system versions of Windows 10 and Windows 11. Here are some details about these updates, which are intended to fix vulnerabilities and issues.

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Microsoft Security Update Summary (March 11, 2025)

Posted on 2025-03-12 by guenni

Update[German]Microsoft released security updates for Windows clients and servers, Office and other products on March 11, 2025. The security updates eliminate 56 vulnerabilities (CVEs), seven of which were classified as 0-day. Six vulnerabilities are already under attack. Below is a compact overview of the updates that were released on Patchday.

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Outlook Classic no longer starts on Windows Terminal Server (Feb. 2025)

Posted on 2025-03-11 by guenni

[German]Once again, I would like to address a topic that was brought to my attention by a blog reader. In his environment, he has noticed that customers can no longer start their Outlook Classic on Microsoft Terminal Server. Perhaps the swarm intelligence of the readership will help.

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Microsoft 365 and x.com has been down (March 10, 2025)

Posted on 2025-03-11 by guenni

Stop - Pixabay[German]March 10, 2025 was probably not such a stress-free day for the supporters at Microsoft and X.com. Both the successor to the former Twitter, x.com, was down for hours (there is said to have been a DDoS attack). Microsoft's cloud services also still seem to be experiencing disruptions, as readers have reported. However, I was unable to react earlier as I was out and about all day – so I didn't notice any of the disruptions.

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