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STATUS_CLUSTER_NETWORK_ALREADY_OFFLINE
The cluster network is already Offline
STATUS_CLUSTER_NETWORK_ALREADY_OFFLINE means an Offline transition was requested for a cluster network that is already Offline. This is a network-object state result; it does not by itself reveal whether the cause is deliberate maintenance, adapter loss, configuration, or discovery failure.
Before changing roles or interfaces, identify which nodes and interfaces use the network and whether alternative cluster paths remain. Taking an already-offline network as a signal to make more changes can turn a contained issue into a cluster-wide communication outage.
What to verify
- Inspect the network object and all associated interfaces.
- Check whether other cluster networks still provide required inter-node connectivity.
- Use the cluster log to correlate the Offline transition with adapter or node events.
References
- Microsoft: Get-ClusterNetwork
- Microsoft: Get-ClusterNetworkInterface
- Microsoft: Failover Clustering overview
- Microsoft: Get-ClusterLog
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