Exchange Active Sync-Bug in iOS 17.0.3

[German]Brief note to administrators who manage mobile devices with a mail connection to Microsoft's Exchange. A reader informed me about an annoying bug in iOS 17.0.3, which leads to problems with the appointment management (appointment commitments are delivered multiple times).

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VirtualBox 7.0.12 and 6.1.48 released

Virtualbox[German]As of October 17, 2023, the developers of Virtualbox have released both version 7.0.12 and the update to version 6.1.48. Both versions are maintenance updates to fix bugs, as you can read on the Virtualbox page.

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Posted in Virtualization | Tagged | 2 Comments

Windows Server 2019/2022: Updates KB5031361/KB5031364 cause Hyper-V issues

Windows[German]I got reports that update KB5031361 for Windows Server 2019 (and Windows 10 Enterprise 2019 LTSC) is causing issues with VMs running on Hyper-V. The same is reported for update KB5031364 for Windows Server 2022. The virtual machines cannot be started or are not found after installing the update. Uninstalling the affected updates fixes these problems again.

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Windows 10/11: Microsoft Defender can no longer be disabled

Windows[German]I'm going to address an old issue that might affect administrators who are migrating clients to Windows 11. In some scenarios, applications run very slowly or the system or applications start sluggishly. The clients are underperforming, even if the application was sufficient for Windows 10. One reason could be that the applications or their network connections are slowed down by Microsoft Defender. In the meantime, however, it is the case that Microsoft Defender cannot be disabled under Windows 11 (now also under Windows 10) via policies or a registry entry. Only when using third-party antivirus solutions can Microsoft Defender be deactivated and put into passive mode.

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Windows Server 2012 R2 is EOL; ESU license not for on-premises systems?

Windows[German]After releasing the October 2023 updates, Windows Server 2012 and Windows Server 2012 R2 have reached their end of support; there will be no more security updates in the future – unless customers buys an Extended Security Update extension (ESU license). Now an info from a reader reaches me that these ESU licenses are not provided for on-premises systems. But there is an alternative in the form of 0patch micro patches.

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Posted in Security, Update, Windows | Tagged , , , | 3 Comments

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 ...


Caution: Steam fake accounts and scam methods

Sicherheit (Pexels, allgemeine Nutzung)[German]Quick warning for readers who are on the Steam platform. A reader has alerted me to a wave of scams that is currently running and operates with fake accounts. Inquiries from supposed friends offer participation in a lottery. If you fall for this, you will probably end up on a page where Steam login data is requested and then stolen by cybercriminals.

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Windows 10 Update KB5031356 fails with error 0x8007000D

Windows[German]The security update KB5031356 released on October 10, 2023 for Windows 10 22H2 fails with installation error 0x8007000D for some users. Microsoft has admitted the issue as of October 13, 2023 and is rolling back the flawed component on consumer devices and unmanaged systems via KIR.

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Edge 118.0.2088.46 (Oct. 13, 2023)

Edge[German]Microsoft updated the Edge browser in the stable channel to version 118.0.2088.46 on October 13, 2023. The release notes here state, "Fixed various bugs and performance issues". The update fixed the (spoofing) vulnerability CVE-2023-36559, according to this entry.

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Exchange Server Oct. 2023 updates fail with error 0x80070534

Exchange Logo[German]As of October 10, 2023, Microsoft has released security updates for Exchange Server 2016 and Exchange Server 2019. On a number of Exchange Server systems, the installation of the October 2023 updates ends with error 0x80070534. The cause seems to be the lack of cleanup of the August 2023 update mess. Furthermore, some administrators want to re-enable the IIS token cache module. Here is some information about these issues. Continue reading

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curl vulnerability still unpatched by Microsoft

Sicherheit (Pexels, allgemeine Nutzung)[German]There is a vulnerability in the library and tool curl in older versions, which was closed by the project on October 11, 2023 with version 8.4.0. Microsoft ships curl with Windows, and the question was whether curl was also updated for Patchday, October 10, 2023. My status is that Windows still includes the outdated curl version after the October 2023 updates.

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