Issue During an ONTAP upgrade on a 2-node MetroCluster system, DR Config Replication error was reported for a source data vserver due to [NFS Kerberos is enabled on LIF] Switchover and/or switchback o...Issue During an ONTAP upgrade on a 2-node MetroCluster system, DR Config Replication error was reported for a source data vserver due to [NFS Kerberos is enabled on LIF] Switchover and/or switchback operations - which are needed to complete the ONTAP upgrade - are not possible, because of the vserver degraded state