ERROR_CLUSTERLOG_CORRUPT - 5029 (0x13A5)
The cluster log is corrupt.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_CLUSTERLOG_CORRUPT error code indicates that the cluster log, which is a critical component in Windows Server environments for maintaining consistency and integrity of shared resources, has become corrupt. This can occur due to various reasons such as hardware failures, software issues, or improper shutdowns.
Error Details
This specific error code is returned when an attempt to access or modify the cluster log fails because it contains invalid data or structures that cannot be interpreted by the system. The cluster log plays a crucial role in ensuring that all nodes in a Windows Failover Cluster are synchronized and operate correctly, so any corruption can lead to significant issues.
Usage Context
This error is typically encountered during operations such as cluster node maintenance, failover events, or when attempting to recover from a cluster failure. Administrators may receive this error message if they attempt to perform actions that require the integrity of the cluster log, such as starting a cluster service or performing a cluster quorum operation.
Developer Interpretation
As a developer, encountering ERROR_CLUSTERLOG_CORRUPT suggests that there is an issue with the cluster log's integrity. This error should be treated seriously and requires immediate attention to prevent potential data loss or system instability. The developer should consider the following steps:
- Review the operation context in which the error occurred.
- Validate any parameters passed during the operation, ensuring they are correct and within expected ranges.
- Check for any recent hardware changes or software updates that might have caused the corruption.
Related Errors
ERROR_CLUSTERLOG_CORRUPTis related to other cluster-related errors such asERROR_CLUSTER_NOT_FOUND, which indicates a failure to locate the cluster, andERROR_CLUSTER_INVALID_STATE, which suggests an invalid state of the cluster.
FAQ
Q: What does ERROR_CLUSTERLOG_CORRUPT mean?
A: It means that the cluster log is corrupt and cannot be accessed or modified by the system. This can lead to issues with maintaining the integrity of a Windows Failover Cluster.
Q: How do I resolve this error?
A: The resolution typically involves restoring the cluster log from backup, repairing the cluster, or performing a clean installation if necessary. Consult Microsoft documentation for specific steps and procedures.
Summary
ERROR_CLUSTERLOG_CORRUPT is an important error code that indicates corruption in the cluster log of a Windows Failover Cluster. It requires immediate attention to ensure the stability and integrity of the cluster environment. Developers should be prepared to handle this error by validating parameters, reviewing operation context, and ensuring hardware and software are up-to-date.