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STATUS_PWD_HISTORY_CONFLICT
Password history is a remembered-value check and must be diagnosed separately from length or age
STATUS_PWD_HISTORY_CONFLICT identifies reuse of a password that the account policy still remembers. Windows exposes Enforce password history as a policy setting, and fine-grained password policies can set a history count for selected users or global security groups. The failure is therefore more specific than STATUS_PASSWORD_RESTRICTION.
Check the resultant policy and history count; do not ask the user to reveal previous passwords so an administrator can compare them manually. The password authority performs the comparison using its stored password-history representation. Minimum password age matters too, because setting it to zero can let users rapidly change passwords enough times to cycle back to a preferred value when the history depth is finite.
For migration or synchronization systems, record only status, account, policy source, and transaction identifiers. A connector that replays an old password after rollback can repeatedly hit this status even when the interactive password tool behaves correctly. Repair the state machine or choose a new compliant value instead of clearing domain password history as a broad workaround.
What to inspect
- The effective password-history count and minimum password age for the specific account.
- Whether the value came from an interactive user change, password synchronization, rollback, or credential-rotation system.
- Repeated transaction IDs or retry sequences showing an automation system resubmitting a previously used secret.
References
- Microsoft: Enforce password history policy
- Microsoft: Minimum password age policy
- Microsoft: Fine-grained password policies for AD DS
- NIST SP 800-63B: Password guidance
- Microsoft Open Specifications: NTSTATUS values
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