ERROR_DS_CANT_REMOVE_ATT_CACHE - 8403 (0x20D3)
The attribute could not be removed from the cache.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_DS_CANT_REMOVE_ATT_CACHE (8403, 0x20D3) indicates that an attempt to remove a specific attribute from the cache was unsuccessful. This typically occurs in scenarios involving directory services or Active Directory operations where attributes are cached for performance optimization.
Error Details
This error suggests that there is an issue with the caching mechanism used by the system, possibly due to internal state inconsistencies or resource constraints. The exact nature of the failure can vary depending on the context in which it occurs.
Usage Context
The ERROR_DS_CANT_REMOVE_ATT_CACHE error is commonly encountered when performing operations that involve directory services or Active Directory, particularly those that require attribute manipulation and caching. It may be relevant to applications that interact with these services through APIs such as LDAP (Lightweight Directory Access Protocol).
Developer Interpretation
Developers should interpret this error as an indication that the requested operation could not complete due to a failure in removing an attribute from the cache. This might imply issues such as internal state corruption, resource limitations, or incorrect parameter values.
Common Causes
- Invalid parameter values: Incorrect attributes or object types passed to the API.
- Exceeding limits: Attempting to remove too many attributes simultaneously.
- Internal state inconsistencies: Cache corruption or mismanagement by the system.
Related Errors
ERROR_DS_ATT_NOT_DEF_IN_SCHEMA(8401, 0x20D1): The attribute is not defined in the schema.ERROR_DS_CANT_REM_FROM_SYSTEM_ONLY_ATT(8405, 0x20D5): Attempt to remove a system-only attribute.
FAQ
Q: What does the error code ERROR_DS_CANT_REMOVE_ATT_CACHE mean?
A: It indicates that an attempt to remove an attribute from the cache failed.
Q: How can I resolve this issue?
A: Review the operation context, validate parameters, and ensure correct object types are being used. If issues persist, consider restarting the service or system.
Summary
The ERROR_DS_CANT_REMOVE_ATT_CACHE error is a specific technical indication that an attribute could not be removed from the cache during directory services operations. Developers should handle this error by validating parameters and ensuring correct usage context to avoid such failures.