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ERROR_RESOURCE_ONLINE
The resource must be taken offline before this change
Some cluster operations intentionally require an Offline resource because they alter configuration or lifecycle data that cannot safely change while the resource DLL is actively serving the workload. This status means the current Online state is the blocker, not that online processing failed.
Before stopping the resource, inspect its role and dependents. Taking a provider resource offline can cascade through dependency relationships and cause a clustered role outage.
What to inspect
- Identify which resources depend on the target and assess role impact before using Stop-ClusterResource.
- Perform the configuration change during an approved maintenance window if the resource is client-facing or quorum-related.
- After the change, bring the resource online and verify the entire group, not just the modified resource.
Get-ClusterResourceDependency -Resource <ResourceName>
Stop-ClusterResource -Name <ResourceName>References
- Microsoft Open Specifications: Cluster Resources and Groups
- Microsoft: Get-ClusterResourceDependency
- Microsoft: Stop-ClusterResource
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