ERROR_LOG_SPACE_RESERVED_INVALID - 6626 (0x19E2)
Reserved log space or the adjustment of the log space is invalid.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_LOG_SPACE_RESERVED_INVALID error code indicates that the system encountered an issue related to reserved log space or an attempt to adjust this space in a way that is not valid. This typically occurs when the system's logging mechanism attempts to allocate or modify log space but finds it invalid.
Error Details
This error can arise from various scenarios, such as attempting to configure log settings beyond supported limits, encountering corrupted log data, or issues with the underlying storage mechanisms used for logging. The specific context in which this error occurs will determine its exact cause and resolution.
Usage Context
The ERROR_LOG_SPACE_RESERVED_INVALID error is commonly encountered during system operations that involve logging, such as event logging, application logging, or system diagnostics. It can also appear when configuring log settings through the Windows API or other administrative tools.
Developer Interpretation
When encountering this error, developers should interpret it as an indication of a problem with the configuration or state of the logging mechanism. This could be due to invalid parameters passed to logging functions, incorrect object types being used, or exceeding system limits for log space allocation.
Related Errors
ERROR_LOG_FILE_CORRUPTED(0x7B)ERROR_LOG_SPACE_FULL(0x2F4)ERROR_LOGGING_FAILURE(0x19E3)
FAQ
Q: What does the ERROR_LOG_SPACE_RESERVED_INVALID error mean?
A: This error indicates that there is an issue with reserved log space or an attempt to adjust this space in a way that is not valid.
Q: How can I troubleshoot this error?
A: Review the context of your logging operations, validate parameters passed to logging functions, and ensure object types are correct. Check for any system limits being exceeded and verify input data integrity.
Summary
The ERROR_LOG_SPACE_RESERVED_INVALID error is a specific technical issue related to reserved log space or an attempt to adjust this space in an invalid manner. Developers should focus on validating parameters, ensuring correct object types, and adhering to system limits when working with logging mechanisms.