What does Windows error code 5948 (ERROR_CLUSTER_USE_SHARED_VOLUMES_API) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: This group or resource cannot be directly manipulated. Use shared volume APIs to perform desired operation.

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ERROR_CLUSTER_SHARED_VOLUMES_IN_USE	ERROR_CLUSTER_BACKUP_IN_PROGRESS

ERROR_CLUSTER_USE_SHARED_VOLUMES_API

ERROR_CLUSTER_USE_SHARED_VOLUMES_API means the target resource or group is a Cluster Shared Volume and cannot be manipulated with generic cluster resource operations. Use CSV-aware management commands instead.

What to check

Identify the CSV and its current coordinator/owner node.
Use CSV management operations for add, remove, or ownership changes instead of generic resource manipulation.
Check whether applications or backup jobs are actively using the volume before maintenance.

Get-ClusterSharedVolume

Microsoft: Manage Cluster Shared Volumes

Microsoft: Cluster Shared Volumes overview

Microsoft: FailoverClusters PowerShell module

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