What does Windows error code 5909 (ERROR_CLUSTER_RESOURCE_TYPE_BUSY) mean?

 
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ERROR_CLUSTER_GROUP_MOVING ERROR_RESOURCE_CALL_TIMED_OUT

ERROR_CLUSTER_RESOURCE_TYPE_BUSY

ERROR_CLUSTER_RESOURCE_TYPE_BUSY means the resource type is already processing another operation and cannot accept the new request. This commonly happens during resource startup, failover, health recovery, or property changes.

Identify the operation already executing for that resource type and wait for its completion or timeout. If it remains busy, inspect the resource host and type-specific log entries before terminating or restarting the host process.

What to check

  • Identify the resources of that type and their current states.
  • Check whether another management job, backup, or failover is using the same resource type.
  • Use the cluster log to find the first operation that made the resource type busy.
Get-ClusterResource | Format-Table Name, ResourceType, State, OwnerNode

Microsoft: Get-ClusterLog

Microsoft: FailoverClusters PowerShell module

Microsoft: Move-ClusterGroup


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