ERROR_GROUP_NOT_AVAILABLE - 5012 (0x1394)

The cluster group is not available for any new requests.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_GROUP_NOT_AVAILABLE with the numeric value 5012 and hex code 0x1394 indicates that a cluster group is not available to process new requests. This typically means that the cluster group is in an unavailable state or has encountered an issue preventing it from servicing additional operations.

Error Details

This error can occur in various scenarios where a cluster group needs to be operational but is currently not able to handle any further requests. The availability of a cluster group can be affected by several factors, such as hardware failures, software issues, or misconfigurations.

Usage Context

The ERROR_GROUP_NOT_AVAILABLE error is commonly encountered in the context of Windows Failover Clustering, where multiple nodes work together to ensure high availability and fault tolerance. When a cluster group becomes unavailable, it can impact services that rely on this group for redundancy and failover capabilities.

Developer Interpretation

Developers should interpret this error as an indication that the specified cluster group is in an unusable state. This could be due to various underlying issues such as node failures, resource constraints, or configuration problems. Developers are advised to handle this error by retrying the operation after addressing any potential issues.

Related Errors

  • ERROR_CLUSTER_GROUP_INCOMPATIBLE (5014)
  • ERROR_CLUSTER_GROUP_INVALID (5026)
  • ERROR_CLUSTER_GROUP_STATE_CHANGED (5038)

FAQ

Q: What does the ERROR_GROUP_NOT_AVAILABLE error mean?

A: It indicates that a cluster group is not available to process new requests.

Q: How can I handle this error in my application?

A: You should retry the operation after addressing any potential issues causing the group unavailability.

Summary

The ERROR_GROUP_NOT_AVAILABLE (5012) error signifies that a cluster group is not available to process new requests. This error is commonly encountered in Windows Failover Clustering environments and can be caused by various factors such as hardware failures, software issues, or misconfigurations. Developers should handle this error by addressing the underlying issues before retrying the operation.