Is it a free upgrade?

I am afraid this is not an option for our company at this point. All I need is to restore the working condition. Do you think reinstall software would help?

I have Starwind software installed on both HA node servers. Usually I can connect to both nodes from either servers (ServerA / ServerB). One day ServerB could connect only to its own, not serverA while ServerA was still doing fine. Now ServerA can connect to only its own, just like ServerB. I have t...