ERROR_TRUSTED_RELATIONSHIP_FAILURE - 1789 (0x6FD)
The trust relationship between this workstation and the primary domain failed.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_TRUSTED_RELATIONSHIP_FAILURE indicates a failure in the trust relationship between a workstation and its primary domain. This typically occurs during authentication or authorization processes where the system is unable to establish a secure connection with the domain controller.
Error Details
This error can manifest when:
- A user attempts to log on to a domain that has changed its trust relationship settings.
- The domain controller's security policies have been modified, affecting existing trust relationships.
- Network connectivity issues prevent the workstation from reaching the domain controller.
- There are configuration errors in the Active Directory setup or DNS resolution.
Usage Context
This error is commonly encountered during domain join operations, user logon processes, and other activities that require authentication against a trusted domain. It can also appear when attempting to access resources protected by domain-level security policies.
Developer Interpretation
Developers should interpret this error as an indication of a failure in the trust relationship between the local workstation and the primary domain. This could be due to various factors, including network issues, configuration errors, or changes in domain settings. The specific cause may need further investigation based on the context in which the error occurs.
Related Errors
ERROR_LOGON_FAILURE(1326)ERROR_INVALID_WORKSTATION(15490)ERROR_DOMAIN_CONTROLLER_NOT_FOUND(16987)
FAQ
Q: What does the error ERROR_TRUSTED_RELATIONSHIP_FAILURE mean?
A: It indicates a failure in the trust relationship between your workstation and the primary domain, often due to network issues or changes in domain settings.
Q: How can I resolve this issue?
A: Check network connectivity, verify DNS resolution, and ensure that domain settings are correctly configured. Rejoin the domain if necessary.
Summary
The ERROR_TRUSTED_RELATIONSHIP_FAILURE error code is a generic indication of a failure in the trust relationship between a workstation and its primary domain. Developers should interpret this as a need for further investigation into potential network or configuration issues.