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I have two servers running Windows Server 2016 with the Failover Cluster role, each of which is running as a Hyper-V virtual machine on a different host.

The servers are on the same subnet and are able to successfully ping eachother.

However, when I run the cluster validation, I receive the following errors:

Network interfaces - Ethernet and - Ethernet are on the same cluster network, yet address is not reachable from using UDP on port 3343.

and this one:

Node is not reachable from node . It is necessary that each cluster node can communicate each other cluster node by a minimum of one network path (though multiple paths are recommended to avoid a single point of failure). Please verify that existing networks are configured properly or add additional networks.

How is this possible?

William
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    When you install Failover Cluster it *should* open all relevant ports in the Firewall. Can you check this is done for port 3343/UDP ? or, maybe you are running a thirdparty firewall ? – Edwin van Mierlo May 03 '17 at 13:33

0 Answers0