ERROR_CLUSTER_OWNER_NOT_IN_PREFLIST: meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The role cannot come online because its current owner is not in the preferred-owner list.

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ERROR_CLUSTER_OWNER_NOT_IN_PREFLIST

Failover Clustering enforces the configured possible and preferred owners for a resource group. The target node may be healthy, but the role cannot be brought online there until ownership preferences are consistent with the intended design.

Inspect both possible owners and preferred owners for the role and its dependent resources. Add the node only if the application is supported there; otherwise move the role to an allowed owner rather than overriding placement policy.

What to check

Review the role or resource group owner list and its current owner.
Check whether a recent node removal, maintenance workflow, or hardware change left the owner preferences outdated.
Change ownership preferences only as part of a controlled role-placement plan; do not remove restrictions merely to bypass the error.

Get-ClusterGroup; Get-ClusterOwnerNode -Group "<group name>"

Microsoft: Get-ClusterGroup

Microsoft: Get-ClusterOwnerNode

Microsoft: Get-ClusterResource

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