Category Archives: Security

Microsoft patch day issues Jan. 2022: bugs confirmed, but updates not pulled

[German]The January patch day 2022 (January 11, 2022) brought administrators of Windows Server systems into serious trouble: Hyper-V is bricked, DCs are force into boot loops, ReFS has been removed, IPSec VPN connections are broken, and so on. Microsoft has … Continue reading

Posted in issue, Security, Update, Windows | Tagged , , , , | 8 Comments

Firefox 96.0 und 91.5.0 esr; Issues with web site access – but it's fixed now

[German]Mozilla developers have released version 96.0.0 with some new features and 95.5.0esr of the Firefox browser on January 11, 2022. However, with the new Firefox 96 there was problems accessing various websites. Here is the information on how to fix … Continue reading

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Patchday: Microsoft Office Updates (January 11, 2022)

[German]On January 11, 2022 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. RCE vulnerabilities will be closed again. For Microsoft Access, the bug from December 2021 is fixed … Continue reading

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Windows Server 2012/R2: January 2022 Update KB5009586 bricks Hyper-V Host

[German]Microsoft Hyper-V users running Windows Server 2012/R2 should be cautious about installing update security update KB5009586 or KB5009624 for Windows Server 2012/R2. The security updates released on January 11, 2022 have several unpleasant collateral damages at once. After installing the … Continue reading

Posted in Security, Update, Virtualization, Windows | Tagged , , , | 31 Comments

Windows VPN connections (L2TP over IPSEC) broken after January 2022 update

[German]The security updates for Windows released on January 11, 2022 have a very unpleasant collateral damage. All users who rely on VPN connections with L2TP over IPSEC will no longer work after installing the updates in question. Here is an … Continue reading

Posted in issue, Security, Update, Windows | Tagged , , , , | 16 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 ...


Patchday: Updates for Windows 7/Server 2008 R2 (January 11, 2022)

[German]On January 11, 2 Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. Also with ESU Bypass v11 the whole thing still works. However, these security updates are also available for Windows Server … Continue reading

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Patchday: Windows 11 Updates (January 11, 2022)

[German]On January 11, 2022 (second Tuesday of the month, Patchday at Microsoft), Microsoft has also released a cumulative update for Windows 11, which was released on October 5, 2021. The update is supposed to fix various issues. Here are some … Continue reading

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Patchday: Windows 10 Updates (January 11, 2022)

[German]On January 11, 2022 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates for the supported Windows 10 builds (from the RTM version to the current version) were released. Here are some details about each of the Patchday … Continue reading

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Security updates for Exchange Server (January 2022)

[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019 as of January 11, 2022. These updates are required to address vulnerabilities reported by external security partners and found through Microsoft's internal processes. The … Continue reading

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Patchday: Windows 8.1/Server 2012 R2 Updates (January 11, 2022), boot loop reported

[German]As of January 11, 2022, Microsoft has released various updates for Windows 8.1. These security updates are also available for Windows Server 2012 R2. I have already received information from a blog reader that a boot loop has occurred with … Continue reading

Posted in issue, Security, Windows | Tagged , , , | 24 Comments