We have 2 nodes window Server 2012 R2 and SQL Server 2012 Enterprise Version cluster setup. We can switch roles and Node to one node to another and revert back to previous node with out any issues. But we are facing when one Node is restarted. We could not restart that Node in cluster Service start in Failover cluster Manager. Error Details is displayed as below inside double code."Cluster node NODE1 could not to join the cluster because it failed to communicate over the network with any other node in the cluster. Verify the network connectivity and configuration of any network firewalls."I checked windows firewall. windows firewall is all of in Node1, Node2, SAN and DC. I have disabled and enabled the Internal and private network of Node 1. I have validated the cluster. it is showing no error though.Node1:Public IP: 10.10.0.11SubNet Mask:255.255.255.0Default Getway: 10.10.0.1Prefered DNS: 10.10.0.10 (Ip of DNS)Private: 10.10.0.5Subnet Mask: 255.0.0.0Node2:Public IP: 10.10.0.12SubNet Mask:255.255.255.0Default Getway: 10.10.0.1Prefered DNS: 10.10.0.10 (Ip of DNS)Private NetworkIP: 10.10.0.6Subnet Mask: 255.0.0.0SAN:Public IP: 10.10.0.13SubNet Mask:255.255.255.0Default Getway: 10.10.0.1Prefered DNS: 10.10.0.10 (IP of DNS)Private Network: Not configured.pinging to each other ip is successful from one node to another. Could you please suggest how to solve this issue.
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