Forum Discussion
Windows 11 lock screen bug
We are having an issue where some users cannot log back into windows 11 after going to a lock screen. Windows will tell you the password or username is incorrect even though the credentials are defia...
I’ve seen this behaviour on Windows 11 before and it’s usually not the credentials themselves, but how Windows is handling them after the machine locks. Since a reboot fixes it, that points more towards a session or authentication problem rather than the password being wrong.
might be
- Cached credentials glitch
- Fast Startup / Modern Standby
- Network login
- Group Policy A recent policy or Windows update could be messing with authentication (e.g. cached logon count, Kerberos ticket expiry).
- Third-party security software e.g. Endpoint agents or identity tools
try
- Check the Event Viewer (Windows Logs → Security, and Applications and Services Logs → Microsoft → Windows → User Device Registration) to see what’s happening at the time of failure.
- Disable Fast Startup to rule it out. You can do this by running:Then go into Power Options and untick“Turn on fast startup.”
powercfg -h off - Make sure the machine is fully patched, and if it’s domain-joined, test connectivity to the DC/Azure endpoint when locked.