Hamachi falling asleep?

Hamachi is on the server. Two days after the problem appeared. If you close the remote session on the server, then hamachi immediately falls off and the icon in the control panel turns gray. And more to the server will not connect via the Internet. If you log in from the local network to the session, then hamachi becomes green again and is available for work. Suspicion that in a closed session hamachi falls asleep. How to turn it off?