ERROR_LOG_CONTAINER_WRITE_FAILED - 6640 (0x19F0)
Log service encountered an error when attempting to write to a log container.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_LOG_CONTAINER_WRITE_FAILED error code, with the numeric value 6640 and hexadecimal representation 0x19F0, indicates that a log service encountered an issue while attempting to write data to a log container. This error is specific to logging operations within the Windows environment.
Error Details
This error typically arises when there are issues with writing logs, such as insufficient permissions, corrupted log containers, or limitations in the system resources available for logging operations. The exact cause can vary depending on the context and the underlying implementation of the logging service.
Usage Context
The ERROR_LOG_CONTAINER_WRITE_FAILED error is commonly encountered when using Windows API functions related to logging services, such as those found in the winevt or eventlog namespaces. Developers should be aware that this error can occur during various operations involving log containers, including but not limited to writing events, appending data, and managing log files.
Developer Interpretation
Developers encountering this error should interpret it as a failure in the logging process. The specific cause of the failure is not detailed within the error code itself; therefore, additional context or logs may be required to diagnose the issue accurately. Common causes include invalid parameters, incorrect object types, exceeding system limits, corrupted data, unsupported operations, and incorrect usage contexts.
Related Errors
- ERROR_LOG_CORRUPTION_DETECTED (6704): Indicates that a log container is corrupt or has been damaged.
- ERROR_INSUFFICIENT_BUFFER (122): Suggests that the buffer provided for logging operations was not large enough to accommodate the data.
FAQ
Q: What does ERROR_LOG_CONTAINER_WRITE_FAILED mean?
A: It indicates a failure in writing to a log container during a logging operation. The exact cause can vary and may require additional context or logs to diagnose accurately.
Q: How can I troubleshoot this error?
A: Review the operation context, validate parameters, confirm object types, verify input data, and check system limits or constraints. Additional diagnostic steps may be necessary depending on the specific logging service being used.
Summary
The ERROR_LOG_CONTAINER_WRITE_FAILED error code is a specific technical indicator of failure in writing to log containers within Windows environments. Developers should interpret this error as a need for further investigation and take appropriate steps to diagnose and resolve the underlying issue.