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STATUS_PASSWORD_EXPIRED
Password expiry is an account-state transition
STATUS_PASSWORD_EXPIRED indicates that the credentials are no longer valid for ordinary authentication because the password has reached the age limit imposed by the account authority. It is not evidence of an incorrect password and should not be handled by repeating the same credential. Kerberos auditing distinguishes a key-expired condition from a pre-authentication failure caused by an incorrect secret.
The correct path depends on where the account is managed. A user may be allowed to perform a password change through the supported change-password flow, while a service identity, an account subject to special policy, or a disabled self-service path may require an administrator or identity-management workflow. Modern identity guidance also treats expiration, lockout, loss and revocation as distinct authenticator lifecycle events.
Practical response
- Confirm that the failure is tied to the account state, not a cached old password or an unrelated logon policy.
- Use a password-change or reset method authorised for that identity provider; do not embed the replacement in scripts or logs.
- After changing the password, update service, scheduled-task, application-pool, device and credential-manager dependencies in a controlled sequence.
- Review domain-controller authentication events if the account is used through Kerberos.
References
- Microsoft Open Specifications: NTSTATUS reference
- Microsoft: Event 4771, Kerberos pre-authentication failed
- MIT Kerberos: password management
- NIST SP 800-63B digital identity guidance
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