Today faced below Warning on Three nodes Windows Server 2019 Hyper-V Cluster
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The warning might occur if you have unused but active network-adapters. You can check and disable the useless Adapter to see if the warning will not reoccur.
For your reference:
FailoverCluster: EventID 5120 - STATUS CONNECTION DISCONNECTED(c000020c)
You can also read below articles for reference to troubleshoot the 5120 event.
Unable to access ClusterStorage folder on a passive node in a server cluster
Troubleshooting Cluster Shared Volume Auto-Pauses – Event 5120
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In a server, there are 4 Adapters and are part of two different NIC teams.One is used for LAN traffic and one is used for a heartbeat for a cluster
As per below link not found any relevant Event id but found some others are they important?
Can someone please help
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