ERROR_LOG_TAIL_INVALID - 6627 (0x19E3)
An new or existing archive tail or base of the active log is invalid.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_LOG_TAIL_INVALID error code indicates that the system has encountered an issue with the tail or base of an active log. This typically suggests a problem related to the integrity or configuration of the log file.
Error Details
The specific condition described by this error is the invalid state of either the tail (the most recent part) or the base (the earliest part) of the active log. This can occur due to various reasons, such as corruption in the log file, incorrect operation context, or exceeding system limits.
Usage Context
This error code is relevant when dealing with log management and maintenance operations on Windows systems. It may be encountered during attempts to manage or access log files through APIs or command-line tools.
Developer Interpretation
When encountering this error, developers should consider the following:
- Verify that the operation context is correct and appropriate for the intended action.
- Ensure that all parameters passed to relevant functions are valid and correctly formatted.
- Check for any potential corruption in log files or directories containing log data.
- Confirm that the system has sufficient resources (such as file descriptors) to handle the requested operation.
Related Errors
ERROR_LOG_CORRUPTED- Indicates a corrupted log file.ERROR_INVALID_PARAMETER- A parameter passed to an API is invalid or incorrect.ERROR_TOO_MANY_OPEN_FILES- The system has reached its limit on open files, which can affect log management operations.
FAQ
Q: What does the ERROR_LOG_TAIL_INVALID error mean?
A: It indicates that there is a problem with the tail or base of an active log file, such as corruption or incorrect configuration.
Q: How can I resolve this issue?
A: Review and correct any invalid parameters, ensure proper operation context, and check for log file integrity. If necessary, restore corrupted files or adjust system limits.
Summary
The ERROR_LOG_TAIL_INVALID error code is a specific technical indicator of issues related to the management and maintenance of log files in Windows systems. Developers should focus on validating parameters, ensuring correct operation context, and checking for potential corruption when encountering this error.