Microsoft has identified a problem impacting Windows users' ability to log into their accounts using Windows Hello following the release of the April 2025 security updates. The issue is linked to the KB5055523 cumulative update and affects both client and server platforms, particularly on devices with specific security features activated.
Impact on Users
Those affected may encounter error messages suggesting issues with PIN configuration or facial recognition setup. These problems arise due to compatibility conflicts introduced by the recent security enhancements. In response, Microsoft is actively working on a permanent solution to address the issue.
Temporary Workarounds
In the interim, Microsoft suggests several workarounds for users facing difficulty accessing their accounts via Windows Hello. Users can re-enroll their PIN or facial recognition credentials, a temporary measure that may restore log-in functionality until a fix is delivered.
- For PIN users, re-enrollment involves accessing the Windows Hello PIN settings and setting up the PIN again as if for the first time.
- For those relying on facial recognition, the process requires re-registering facial recognition data through the Windows Hello settings.
Ongoing Efforts
Microsoft is presently investigating the root cause of the log-in disruptions and is expected to release a patch that permanently resolves the issue. Users are advised to stay tuned for future updates and apply any forthcoming patches promptly to ensure their system security is up-to-date and fully functional.
The affected Windows users are encouraged to check Microsoft's official support channels for the latest guidance and solutions. By taking these steps, users can mitigate disruptions and continue to benefit from the enhanced security features provided by Windows Hello.