Tag Archives: Windows Server

Windows 10 20H2/21H1: Explorer does not show all servers of the domain environment

Posted on 2021-07-31 by guenni

[German]Once again, a general question that came to me via a blog reader. It's about servers in a domain environment no longer showing up completely in Explorer in the Network Neighborhood on Windows 10 clients (20H2 and 21H1). The reader … Continue reading →

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Future Windows Server versions will only be available as LTSC

Posted on 2021-07-28 by guenni

[German]Microsoft is cutting Windows Server channels and eliminating the semi-annual upgrade channels in the future. Starting with the upcoming Windows Server 2022, there will only be so-called LTSC variants every two to three years, which will get five years of … Continue reading →

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Microsoft's mitigations of Windows PetitPotam NTLM relay attacks

Posted on 2021-07-25 by guenni

[German]Yesterday, July 24, 2021, I had reported about a new attack vector called PetitPotam that can be used to take over Windows domain controllers by means of an NTLM relay attack (see my post PetitPotam attack allows Windows domain takeover). … Continue reading →

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Patchday: Windows 8.1/Server 2012-Updates (July 13, 2021)

Posted on 2021-07-14 by guenni

[German]As of July 13, 2021, Microsoft has released various updates for Windows 8.1. However, these security updates are also available for Windows Server 2012 R2. Here is some information about the Monthly Rollup and Security only updates for this operating … Continue reading →

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Windows Server 2016: Mainstream support ends in 6 months

Posted on 2021-07-14 by guenni

[German]A breif information for in between: Are you aware that the so-called mainstream support for Windows Server 2016 will already end on Jan. 11, 2022? From this point on, this operating system will still get security updates, but no more … Continue reading →

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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 ...

Out-of-Band Update closes Windows PrintNightmare Vulnerability (July 6, 2021)

Posted on 2021-07-07 by guenni

[German]As of July 6, 2021, in addition to the regular Office updates (see Microsoft Office Patchday (July 6, 2021), Fix for Outlook Crashes), Microsoft has also released an emergency update to close the PrintNightmare vulnerability in the Windows Print Spooler. … Continue reading →

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0Patch Micropatches for PrintNightmare Vulnerability (CVE-2021-34527)

Posted on 2021-07-03 by guenni

[German]There is a remote execution vulnerability in the Windows Printer Spooler service that primarily threatens Windows Server systems and is already being actively exploited. So far, Microsoft has only confirmed the vulnerability and provided information on how to mitigate the … Continue reading →

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http-sys vulnerability (CVE-2021-31166) also threatens WinRM service

Posted on 2021-05-25 by guenni

[German]The http-sys vulnerability (CVE-2021-31166), which was already patched in May 2021, is more serious than initially assumed. Windows 10/Windows Server systems running the Windows Remote Management Service (WinRM) are also threatened. Administrators should ensure that affected systems are patched, as … Continue reading →

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Patchday: Windows 7/Server 2008 R2-Updates (May 11, 2021)

Posted on 2021-05-12 by guenni

[German]As of May 11, Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. However, these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about … Continue reading →

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Patchday: Windows 8.1/Server 2012-Updates (May 11, 2021)

Posted on 2021-05-12 by guenni

[German]As of May 11, Microsoft has released various updates for Windows 8.1. These security updates are also available for Windows Server 2012 R2. Here is some information on the Monthly Rollup and Security only updates for these operating systems.

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