Is there a program that will not let you turn off the PC at a certain time?

Question

Backup

Hello.
I'm setting up veeam backup, I need to backup several user machines at night a couple of times a month.
Is there a program that on the appointed day will not let you turn off the computer, or will warn the user to leave the PC on for backup? Or is this issue solved in some other way?
PS
As a result, I settled on the idea of ​​Wake On Lan proposed by wulfdog.
The backup server runs the script, wakes up the computer, waits for 2 minutes, starts backing up, and then turns off the PC.

Answer 1

Yes, it's easy:
www.nncron.ru/help/RU/commands/power_savings.htm#I...

#( test_no_shutdown
WatchQueryShutdown
Time: * 12-14
Action:
    INTERCEPT-SHUTDOWN
    PAUSE: 2000
    MSG: "Turning off the PC is not allowed from 12:00 to 14:00"
)#

Download: www.nncron.ru/download/nncron193b15.exe
Install as an application, not a service.

Answer 2

Through GPO, prohibit turning off the computer (naturally, the physical switch cannot be blocked) and turning it off shutdown.exeremotely.