Windows Server 2012 R2 – Add cluster node / Cluster Service “Keyset does not exist”

I recently came across an error where the Cluster Service stopped on a Windows Server 2012 R2 failover cluster and would not start.  Event Logs generated were: Event ID: 7024 The Cluster Service service terminated with the following service-specific error: Continue reading Windows Server 2012 R2 – Add cluster node / Cluster Service “Keyset does not exist”