“PING: transmit failed. General failure” and general outgoing connections on a NLB Cluster node

I recently came across two similar scenarios involving NLB Cluster nodes where outgoing connections failed.   In the first one we had an NLB Cluster with 2 nodes, each node having one interface on which only the NLB (common) IP address was configured.  The issue was  that, even if the cluster was reachable from other machines…

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