We are observing the server shutdown on daily basis at the same time stamp.
There is nimreboot.exe application on xxxxxx01 server causing it to reboot continuously from last 4 days.
Release : 20.4
There is a "reboot" probe that is active on this server. Please deactivate and delete it, and delete the directory as well, if you do not want to rebooted daily.
Here is the release note on this probe.