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STATUS_TRUST_FAILURE
The trust boundary did not complete
STATUS_TRUST_FAILURE is reported when a network logon cannot complete the required validation relationship. Microsoft’s NTSTATUS reference notes that the validation authority may be unreachable, so the status is not proof that a trust object is permanently corrupt. The failure can be caused by domain-controller discovery, network isolation, DNS, time skew, secure-channel problems or a genuine mismatch in trust state.
The useful question is therefore not merely “is the password correct?” but “which authority was supposed to validate this identity, and at which step did the relationship fail?” Cross-domain, member-server and domain-controller scenarios have different expected trust paths and should be tested separately.
Evidence to collect
- Record the client, target, account domain, target domain, authentication package and whether the failure is interactive or network-based.
- Validate DNS service discovery and contact with the expected domain controller before attempting a trust reset.
- Inspect secure-channel, Netlogon and domain-controller logs for the first related error, not only the final application message.
- For Samba or Linux members, review the domain join, keytab and resolver configuration with the same care as the Windows-side relationship.
References
- Microsoft Open Specifications: NTSTATUS reference
- Microsoft: domain controller troubleshooting
- Samba Wiki: troubleshooting domain members
- SSSD: manual Active Directory join
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