This new Windows 11 update is breaking business Wi-Fi networks – here’s how to fix
It appears the latest security update for Windows 11 has broken corporate Wi-Fi networks, causing major headaches for IT administrators worldwide.
Windows Latest claims that several readers, working at universities and SMB levels, have been experiencing slow Wi-Fi speeds or even total disconnections since updating to Windows 11 KB5033375.
Things get worse, as many have suggested that the problem occurred in the earlier (and optional) KB5032288 update and was therefore carried over to the next build.
Wi-Fi issues with Windows 11
According to Microsoft, Microsoft has not yet commented on the issue Windows Latest. Ny Breaking asked the company if it is aware of any connectivity issues in the latest Windows 11 builds, but we did not immediately receive a response.
The publication has indicated that the problem may be limited to Qualcomm's old wireless adapters, which are commonly used in public universities and other similar institutions. A Windows Latest reader specifically mentioned the Qualcomm QCA61x4a.
One IT employee from a Belgian university was seconded to the Microsoft forum that four students experienced the exact same problem after the optional KB5032288 update. A thread moderator noted that KB5033375 has since been released, but it is also known to cause bugs.
Another noted that they were able to reproduce the WiFi problem on a WPA2 Enterprise SSID. In both cases, 802.11r was also used – a standard designed to improve the roaming experience when connecting to different access points.
As such, disabling 802.11r is seen to solve the problem, but with the obvious consequence of poor roaming. Other IT staff have suggested removing the KB5033375 build, also known as the Windows 11 December 2023 Update, but this comes at the sacrifice of several new features, including Copilot, Redmond's generative AI tool.
But in the meantime, those who need internet access (which is basically all of us) are left with little choice while Microsoft (hopefully) works on a solution.
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