ERROR_DS_CROSS_REF_EXISTS - 8374 (0x20B6)
A cross reference already exists.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_DS_CROSS_REF_EXISTS indicates that a cross reference already exists in the directory service. This typically occurs when an attempt is made to create or modify a reference that already points to another object.
Error Details
This error is specific to operations within the Active Directory Service Interfaces (DSAPI) and related components of the Windows operating system. It suggests that there is an existing cross-reference in the directory service, which prevents the creation or modification of a new one with identical properties.
Usage Context
The ERROR_DS_CROSS_REF_EXISTS error can be encountered during operations such as adding or modifying references within Active Directory. For example, if you attempt to create a cross-reference that already exists, this error will be returned.
Developer Interpretation
When encountering ERROR_DS_CROSS_REF_EXISTS, developers should understand that the operation failed because an identical cross reference already exists in the directory service. This can occur due to various reasons such as duplicate references or existing relationships between objects.
Related Errors
- ERROR_DS_NO_SUCH_OBJECT: Indicates that the object being referenced does not exist.
- ERROR_DS_DRA_INCONSISTENT_STATE: Suggests an inconsistent state in the directory replication process.
- ERROR_DS_DRA_SCHEMA_CONFLICT: Occurs when there is a schema conflict during directory replication.
FAQ
Q: What causes ERROR_DS_CROSS_REF_EXISTS?
A: This error occurs when attempting to create or modify a cross reference that already exists in the Active Directory service.
Q: How can I resolve this issue?
A: Ensure that the cross reference you are trying to create or modify does not already exist. Review and correct any existing references before retrying the operation.
Summary
ERROR_DS_CROSS_REF_EXISTS is a specific error code indicating an attempt to create or modify a cross reference that already exists in Active Directory. Developers should ensure the uniqueness of references when performing operations within the directory service.