ERROR_CLUSTER_GROUP_QUEUED - 5959 (0x1747)

The requested operation can not be completed because the group is queued for an operation.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_CLUSTER_GROUP_QUEUED indicates that a requested operation cannot be completed because the cluster group is currently processing another operation. This suggests that the system is in a state where it cannot handle additional requests until the current operation completes.

Error Details

This error typically occurs within the Windows Cluster Service, which manages failover clusters for high availability and load balancing of applications and services across multiple nodes. When a cluster group is queued, it means that there are pending operations that need to be processed before any new operations can be initiated.

Usage Context

The context in which this error might occur includes scenarios such as:

  • Attempting to add or remove resources from a cluster group while another operation is in progress.
  • Initiating a failover operation when the current state of the cluster does not allow for immediate action.
  • Executing configuration changes that require the cluster service to process existing tasks first.

Developer Interpretation

Developers should interpret this error as an indication that the system is currently busy with other operations. The appropriate response would be to retry the operation after a suitable interval or to handle the queued state appropriately within their application logic.

Related Errors

FAQ

Q: What does the error code 5959 mean?

A: The error code 5959, or ERROR_CLUSTER_GROUP_QUEUED, indicates that a cluster group is currently processing another operation and cannot handle additional requests.

Q: How can I resolve this issue?

A: Typically, you should retry the operation after a short interval. Ensure that no other operations are in progress before attempting to execute the command again.

Summary

The ERROR_CLUSTER_GROUP_QUEUED error is a generic indication that a cluster group is currently processing another operation and cannot handle additional requests. Developers should be prepared to handle such states gracefully within their applications.