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STATUS_CLUSTER_NETWORK_EXISTS
The cluster already contains that network object
STATUS_CLUSTER_NETWORK_EXISTS reports a duplicate network-object condition in the cluster configuration. Do not treat it as proof that the network is correctly configured for the role you intend; the existing object may have a different role, membership, or interface state.
Enumerate existing cluster networks before attempting to add or recreate one. Focus on the discovered network identity and the interfaces attached to it, then correct the intended configuration rather than creating parallel or duplicate management state.
What to verify
- Use
Get-ClusterNetworkto inspect existing names and state. - Compare node interfaces and their network association.
- Run network validation after intentional topology changes.
References
- Microsoft: Get-ClusterNetwork
- Microsoft: Get-ClusterNetworkInterface
- Microsoft: Failover Clustering overview
- Microsoft: Test-Cluster
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