Tag Archives: Virtualization

Installing Windows 10/11 in Hyper-V 2nd Generation

Posted on 2022-01-22 by guenni

[German]Installing Windows 10 or Windows 11 in virtual environments can present some challenges. Depending on the hypervisor, the installation may even fail completely. Blog reader Thomas S. emailed me back in December 2021 with his experiences installing Windows 10 as … Continue reading →

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VMware security advisory about vulnerability CVE-2021-22045 in VMware Workstation & Co.

Posted on 2022-01-05 by guenni

[German]Vendor VMware has issued a security alert for vulnerability CVE-2021-22045 as of January 4, 2022. This vulnerability, located in the CD-ROM driver, threatens the security of VMware Workstation, Fusion and ESXi Server through a heap overflow. However, updates are available … Continue reading →

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VMware products threatened by log4j vulnerability CVE-2021-44228

Posted on 2021-12-14 by guenni

[German]The critical vulnerability CVE-2021-44228 in the JAVA library log4j, which became known a few days ago, threatens millions of software products. For many server products, users can do little. However, I would like to recommend a closer look to administrators … Continue reading →

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Azure Confidential Computing with AMD VMs

Posted on 2021-11-28 by guenni

[German]Microsoft has released an initial preview of Azure DCasv5/ECasv5 (confidential virtual machines with AMD SEV-SNP VM isolation) powered by third-generation AMD EPYC™ processors with SEV-SNP. Advertising

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VMware ESXI 7.0: Windows Server 2012 R2 shows "non-accessible boot device" (Oct. 2021)

Posted on 2021-11-02 by guenni

[German]It's an issue that seems to have blown up in some administrators' faces in mid-October 2021. VMware ESXI 7.0 administrators were getting a "non-accessible boot device" error message on virtualized Windows Server 2012 R2 machines. Then the server would no … Continue reading →

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Microsoft Azure Virtual Machines: Outage for 6 hours (2021/10/13)

Posted on 2021-10-14 by guenni

[German]On October 13, 2021, Microsoft Azure experienced a disruption where virtual machine services were down for six hours (05:12 UTC to 11:45 UTC). Here is some information about it. Advertising

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Windows 11: Microsoft enforces TPM 2.0 on virtual machines

Posted on 2021-09-17 by guenni

[German]That's it for Windows 11 – at least with older hardware, if I'm right. If the hardware requirements already caused head shaking and unstoppable enthusiasts were looking for ways to install the operating system on machines that did not meet … Continue reading →

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Vulnerability CVE-2021-21985 in vSphere Client, patch it!

Posted on 2021-05-27 by guenni

[German]VMware has issued an urgent security warning to users of vSphere. The vSphere Client (HTML5) contains a critical vulnerability CVE-2021-21985 that could allow remote code execution due to a lack of input validation in the Virtual SAN Health Check plug-in, … Continue reading →

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Mass scan for vulnerable VMware vCenter instances

Posted on 2021-03-01 by guenni

[German]If you administrate VMware vCenter instances, make sure they are patched to the latest version. Currently, hackers seem to be scanning the Internet for unpatched VMware vCenter instances. The goal: to take over these vCenter instances for their own purposes … Continue reading →

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RansomExx ransomware group targets VMWare ESXi vulnerabilities

Posted on 2021-02-02 by guenni

[German]A warning for administrators of VMWare ESXi systems. The RansomExx ransomware gang appears to be involved in several incidents where vulnerabilities in VMWare ESXi instances have been exploited to attack virtual machines and encrypt their virtual disks. Advertising

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