Category Archives: Virtualization

Over 37,000 VMware ESXi servers vulnerable via CVE-2025-22224

[German]This week, VMware by Broadcom has released security updates for various products, including VMware ESXi servers, to close security gaps. One vulnerability has already been exploited as a 0-day. Now The Shadowserver Foundation warns that over 37,000 VMware ESXi servers … Continue reading

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VMWare by Broadcom: Next fail with training credits

[German]A blog reader contacted me by e-mail and reported on the latest fail of VMware by Broadcom. There were hurdles when booking a follow-up license, but they could be overcome. However, unneeded services had to be included, which were agreed … Continue reading

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0-day vulnerabilities in VMWare ESXi, Workstation and Fusion

[German]As of March 4, 2025, VMware by Broadcom has published a security advisory to warn of three zero-day vulnerabilities CVE-2025-22224, CVE-2025-22225 and CVE-2025-22226) that have already been exploited in the wild. Patching is urgent. Advertising

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Does the download of Windows VMs for testing still work for you?

[German]Microsoft has been offering virtual machines with Windows for developers to test for years. These VMs contain a version of Windows that can run for 90 days. I have now received a note from a reader that the content is … Continue reading

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

[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, … 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 ...


Windows 11 24H2/Server 2025 with huge Hyper-V bug?

[German]An administrator recently pointed out a very unpleasant finding to me. The Hyper-V virtualization solution promoted by Microsoft can hardly be used in certain scenarios (on AMD and Intel CPUs) to run multiple virtual machines under Windows 11 24H2 or … Continue reading

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Windows 11: Virtualbox collides with Hyper-V?

[German]An unpleasant observation that is being discussed in the Virtualbox community. Virtualbox only works under Windows 11 if Hyper-V has been removed as a platform (and other virtualization functions). Apparently the hypervisors (still) collide. But removing Hyper-V and the other … Continue reading

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Proxmox Datacenter Manager alpha version released

[German]The Proxmox developers have released an alpha version of the Proxmox Datacenter Manager. The project has been developed entirely in the Rust programming language, from the backend API server to the CLI tools and a completely new front end. Advertising

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VMware Fusion and Workstation now free for all

[German]The rumor has been confirmed, VMware by Broadcom has released VMware Workstation and Fusion of free use for all – also for business users – on November 11, 2024. Advertising

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Will VMware Workstation be free soon also für business user?

[German]I have heard a rumor that VMware by Broadcom could announce the release of free use of VMware Workstation for business users on November 11, 2024. Advertising

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