Host %1 is unreachable. Select Yes to stop managing all interfaces on this host. You can manage this host at a later time ...

Host %1 is unreachable.  Select Yes to stop managing all interfaces on this host. You can manage this host at a later time by selecting the "Connect to Existing" menu item under the "Cluster" menu.  Select No to cancel this operation. You can attempt to re-connect to this host by refreshing the view.