Unable to add an Appliance node to the cluster again after the Appliance node is turned off and removed from the Access Appliance cluster
If an Appliance node is turned off and removed from the Access Appliance cluster successfully then, you cannot to add the Appliance node to the Access Appliance cluster again. This happens because the configurations on the Appliance node are not uninstalled when the node is removed.
Workaround:
Before you add the Appliance node back to the Access Appliance cluster, do a factory reset to the Appliance node.