Microsoft Company warnsthat the April Windows updates break VPN connections on client and server platforms.
“We are investigating user reports and will provide additional information in the coming days,” the company said.
It is already known that the list of affected versions of Windows includes Windows 11, Windows 10 and Windows Server 2008 and later:
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- Windows 11 version 22H2/23H2 (KB5036893), Windows 11 21H2 (KB5036894) and Windows 10 (KB5036892);
- Windows Server 2022 (KB5036909), Windows Server 2019 (KB5036896), Windows Server 2016 (KB5036899), Windows Server 2012 (KB5036960), Windows Server (KB5036969), Windows Server 2008 (KB5036967), Windows Server 2008 (KB5036932) .
According to Microsoft, the issue is related to update KB5036893, released on April 9, 2024. The update brings “various security improvements to the internal functionality of the OS” and also contains a few other minor changes.
The company did not provide any details about what exactly happened, only noting that users “may experience VPN connection failures” after installing the updates.
As a workaround for the issue at Microsoft offer Remove installed security updates for now. However, it is important to remember that the company includes all security patches in one update. Therefore, uninstalling cumulative updates removes all vulnerability fixes, although it may resolve VPN issues.