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ERROR_CLUSTER_NETINTERFACE_NOT_FOUND
The cluster cannot find the interface object referenced by the operation. A missing interface can be caused by a disabled NIC, lost VLAN connectivity, a changed adapter identity, or a cluster configuration that is no longer current.
Compare OS-level adapters with Get-ClusterNetworkInterface output and recent network changes. Restoring the adapter, VLAN, or cluster discovery path is preferable to creating a synthetic interface object that does not match hardware state.
What to check
- Check the interface state on every node and verify that the expected adapter is connected and configured consistently.
- Compare the cluster network view with the operating system adapter inventory before changing cluster settings.
- Generate cluster logs immediately after reproducing the issue so the adapter transition is captured.
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