Remote target crashes after 50 minutes

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Hello,

I am practicing the various attacks we have been taught on the Exploitation labs, because the target machines there have almost all the services we have hacked so far (INE - I don’t know if this link will be useful).

The issue I am having is that the remote target seems to crash after ~48 minutes, while the attacking kali machine still runs normally:

Is there a way for us students to boot it up again?
Loosing each time an hour of work is a bit annoying, even if all username and passwords remain the same

Thanks for your time