Windows 10/11: Preview Updates Feb. 2025

Posted on 2025-02-26 by guenni

Windows[German]Microsoft has released optional, cumulative (preview) updates for Windows 10 22H2 (KB5050081) and Windows 11 24H2 (KB5052093) as well as Windows 11 22H2-23H2 (KB5052094) on February 25, 2025. These updates contain corrections that can be tested and will then be rolled out generally as fixes in the following month. It should be noted that preview updates must be manually initiated for download and installation by default (although Windows 11 22H2 and higher contains options for automatic installation).

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Posted in Update, Windows | Tagged , , | 1 Comment

MS365, Outlook and Exchange Online issues: Appointments, Mails etc.

Posted on 2025-02-26 by guenni

[German]Today I'm posting a collection of problems that I've recently encountered from readers or on the Internet in connection with Microsoft 365 (Outlook 365), Outlook 2024 and Exchange Online. From temporarily disappearing appointments or parts of email signatures to undeliverable emails to Strato, everything is included.

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Posted in Cloud, Office | Tagged , | 1 Comment

Adaptec download site is dead – it's now Microchip

Posted on 2025-02-25 by guenni

[German]Brief information for people who may still be looking for drivers and firmware from Adaptec. The download area is no longer available – thanks to the reader who contacted me about this. The downloads should now be available at Microchip.

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Windows 11 24H2: VMware Workstation Pro 17.x extremely slow

Posted on 2025-02-25 by guenni

Windows[German]I have received a user message about problems with virtualization using VMware Workstation Pro 17.x on Windows 11 24H2 clients. One user complains that the guest operating systems run extremely slowly. When VMware Workstation is started as a special administrator, virtualization works as expected.

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IIS Crypto 4.0 released

Posted on 2025-02-24 by guenni

[German]Nartac Software has already released version 4.0 of its small tool IIS Crypto on February 13, 2025. Support for Windows Server 2025 has been added, as well as support for the TLS_CHACHA20_POLY1305_SHA256 Cipher Suite.

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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 ...

Azure outage shuts down Norway's government sites (Feb. 20, 2025)

Posted on 2025-02-24 by guenni

[German]On February 20, 2025, there was a major disruption to the Microsoft Azure Cloud in Norway. The affected services were unavailable for hours. Norwegian authorities and the government were among those severely affected, as they had moved their services to the Microsoft cloud.

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Windows: UDP storm from dasHost.exe

Posted on 2025-02-24 by guenni

Windows[German]I'll take up a topic for the readership that Frank Carius noticed when he recorded an RTP session via UDP using Wireshark. In the recording, he found a large number of UDP broadcast packets on ports 22222 and 3289. Of course, the question immediately arose as to what was causing these UDP broadcasts.

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Posted in issue, Windows | Tagged , | 3 Comments

Exchange 2019 CU15 and updating server certificates

Posted on 2025-02-23 by guenni

Exchange Logo[German]Two weeks ago, Microsoft released CU15 for its Exchange Server 2019. A blog reader contacted me yesterday because he came across a nice change during testing. Server certificates can now (again) be updated directly via GUI – the recourse to PowerShell required with CU14 is no longer necessary.

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Windows 10/11 and Server hardening: Timeline for 2025 and beyond

Posted on 2025-02-22 by guenni

Windows[German]A quick reminder that Microsoft is getting serious about hardening Windows clients and servers for the Kerberos protocol as early as February 2025. Microsoft has also introduced a string length limit to the Kerberos policy for host names. Here is a reminder of the timelines for phased hardening and string length limitation in the Kerberos host-to-realm policy, which was introduced in February 2025.

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Windows 11 24H2: System freezes and crashed due to Vmmem ressource consumption

Posted on 2025-02-21 by guenni

Windows[German]Is there a problem with resource consumption by the Virtual Machine Memory Manager (Vmmemcm) in Windows 11 24H2, which then leads to the system freezing? I have had reports of this since December 2024 – and there seems to be a connection with the sandbox.

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Posted in issue, Windows | Tagged , | 1 Comment