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Microsoft put an upgrade block on devices with VirtualBox installed. An incompatibility was discovered between Windows 11 and Oracle's VirtualBox virtualization software.
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Virtual Machines may fail to start or other errors may be thrown when Virtual Machines are started on Windows 11. Issue 002: Compatibility issues have been found between Oracle VirtualBox and Windows 11 Resolution: released on the October 2021 Patch Tuesday (October 12, 2021) Microsoft notes that users may experience that webpages load slower than usually, and that other Internet services, including video streaming services and VPN services, may also be slower than expected. UDP packets may be dropped on devices affected by the issue as a consequence "under certain conditions". Microsoft confirmed compatibility issues between Intel networking software, "Killer and "SmartByte", and the company's Windows 11 operating system. Issue 001: Compatibility issues with Intel “Killer” and "SmartByte" networking software
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Resolution: to mitigate the issue, run the following commands from an elevated command prompt window:ĭism /online /enable-feature /featurename:netfx3 /allĭism /online /enable-feature /featurename:WCF-HTTP-Activationĭism /online /enable-feature /featurename:WCF-NonHTTP-Activation Windows 11: resolved issues
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