What does Windows error code 5944 (ERROR_CLUSTER_GROUP_BUSY) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The current operation cannot be performed on this group at this time.

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ERROR_CLUSTER_RESOURCE_CONFIGURATION_ERROR	ERROR_CLUSTER_NOT_SHARED_VOLUME

ERROR_CLUSTER_GROUP_BUSY

ERROR_CLUSTER_GROUP_BUSY means the clustered role is busy with another operation. The response should be based on the operation in progress, not on blindly retrying management commands.

What to check

Check whether the group is moving, starting, stopping, or waiting for a dependent resource.
Review the resource states and the cluster log for the operation that made the group busy.
Avoid issuing overlapping online/offline/move commands from automation.

Get-ClusterGroup | Format-Table Name, State, OwnerNode
Get-ClusterResource | Format-Table Name, State, OwnerGroup

Microsoft: Move-ClusterGroup

Microsoft: Get-ClusterLog

Microsoft: FailoverClusters PowerShell module

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