Problem
The user account is locked after multiple unsuccessful login attempts.
Symptoms
Message stating the account is locked.
User cannot sign in even with the correct password.
Login attempts are rejected.
Lockout occurs repeatedly even after resetting the password.
Possible Causes
Too many incorrect password attempts.
Account lockout policy.
Cached incorrect password on another device.
Unauthorized login attempts.
A saved app or service (email client, mobile device) repeatedly retrying an old password in the background.
Resolution
Step 1
Wait for the lockout period to expire if applicable.
Step 2
Unlock the account through Active Directory or the user management system.
Step 3
Reset the user's password.
Step 4
Remove saved incorrect passwords from other devices.
Step 5
Check for background apps or mobile devices still using the old password and update them.
Step 6
Verify successful login.
Prevention
Enter passwords carefully.
Update passwords on all connected devices.
Use a password manager.
Avoid repeated incorrect login attempts.
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