Exchange Online: TLS 1.0/1.1 will no longer be supported for POP and IMAP starting in July 2026

Posted on 2026-04-30 by guenni

Exchange LogoMicrosoft has announced that deprecated TLS versions and endpoints for POP and IMAP in Exchange Online will no longer be supported starting in July 2026. This is because Microsoft plans to completely discontinue support for deprecated TLS versions (TLS 1.0 and TLS 1.1) for POP3 and IMAP4 connections to Exchange Online. Exchange Online tenant administrators must take action and ensure that clients support at least TLS 1.2. Read details within my German blog post [use build-in translation to switch language].

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Windows April 2026 Update is causing issues with Macrium Reflect and backup solutions

Posted on 2026-04-29 by guenni

WindowsThe security update released for Windows 11 on April 14, 2026, has some undesirable side effects. Backups can no longer be mounted in Macrium Reflect 8 Free. I've also encountered this issue with other backup solutions like Acronis. The cause is that the April 2026 update blocks certain kernel drivers. Read details within my German blog post [use build-in translation to switch language].

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GitHub: Transition to "token-based" billing announced, effective July 1, 2026

Posted on 2026-04-29 by guenni

A few days ago, in the German blog post Microsoft stellt GitHub Copilot ab Juni 2026 auf "Token-based" Billing um I mentioned a change to GitHub Copilot's billing model. At the time, this was still unofficial, but Microsoft has now announced the change on GitHub. The change will take effect on June 1, 2026. Read details within my German blog post [use build-in translation to switch language].

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Windows 11 25H2 und Server 2025: Neue Administrative Templates (.admx)

Posted on 2026-04-29 by guenni

WindowsA quick note for Windows 11 administrators working with Group Policy. Microsoft has updated the .admx template files (Administrative Templates, .admx) for Group Policy for Windows 11 25H2. These template files are also available for Windows Server 2025. Read details within my German blog post [use build-in translation to switch language].

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Cloud Code Coding Agent Deletes Company Database and Backups

Posted on 2026-04-28 by guenni

BugThat didn't quite go as planned: A Cloud Code Coding agent (Cursor) caused a database to be deleted by a company's infrastructure provider. At the same time, the backups were also deleted by the infrastructure provider because they had linked the backups to the database.

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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 ...

Windows 11 will offer more control over updates

Posted on 2026-04-27 by guenni

WindowsMicrosoft has announced that it plans to refocus Windows 11 a bit more on reliability and user-friendliness. One of the features currently being tested with Insiders is improved control over update installation. You can postpone updates multiple times using a "calendar." Read details within my German blog post [use build-in translation to switch language].

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Are there issues with Outlook.com on iOS and other clients?

Posted on 2026-04-27 by guenni

Stop - PixabayThere has been an issue with Outlook.com for several hours now, affecting North America for certain and likely Europe as well. Regarding the outage: Users are experiencing intermittent difficulties logging in to the Outlook.com service, which is preventing them from accessing their mailboxes. Microsoft has confirmed the issues. In the U.S., there are thousands of outage reports on downdetector.com.  Read details within my German blog post [use build-in translation to switch language]. Update: The outage should now be resolved.

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Sony PlayStation: Age Verification for Chat and 30-Day License Validation

Posted on 2026-04-27 by guenni

Stop - PixabaySony has introduced two changes to its PlayStation that may leave some players feeling miffed. For one, the chat feature will now require age verification. This means that minors playing multiplayer games who fall below a certain age threshold will no longer be able to participate in chats or use communication features. Another (apparently unannounced) change is likely to have even more serious consequences. Purchases of games are subject to a 30-day license validation period. Read details within my German blog post [use build-in translation to switch language].

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The GitHub Disaster on April 23, 2026 – Who broke It?

Posted on 2026-04-26 by guenni

Stop - PixabayOutages on GitHub are piling up, the GitHub team is frustrated, and Microsoft is piling on with Copilot. Then, on April 23, 2026, am "incident" randomly destroyed GitHub repositories during commit operation. On GitHub there is now a Incident with Pull Requests report. To be clear, mistakes can probably never be completely avoided. But the picture that emerges is a grim one. The question is: Who broke that thing. Answer is: Microsoft is to blame. Read details within my German blog post [use build-in translation to switch language].

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0patch fix for Windows Server telephony vulnerability CVE-2026-20931

Posted on 2026-04-25 by guenni

WindowsWindows Server contains a telephony vulnerability (CVE-2026-20931) that allows for privilege escalation. Microsoft patched the vulnerability in January 2026, but this has caused issues. ACROS Security recently released a 0patch micropatch to address this telephony vulnerability, CVE-2026-20931, for Windows Server systems without ESU licenses. Read details within my German blog post [use build-in translation to switch language].

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