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system boots unexpected

Hans van der Aa 21 Reputation points
2020-10-26T11:59:04.847+00:00

Every evening at 22:00 a backup is made, after the backup the following command is issued : "shutdown /f /s". So the system is down.
In one night every 2 weeks at 3:00 the system is booted. Unattended
What could be the reason of the boot?

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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  1. Spigolo 456 Reputation points
    2020-11-01T11:00:18.87+00:00

    @Hans van der Aa

    Blockquote

    De geplande taak NT TASK\2BrightSparks\SyncBackProx64\AAWRK01-Hans\SyncBackPro PLEX_DATA wordt uitgevoerd, waarmee het inschakelen van de computer wordt aangevraagd.

    Blockquote

    We have the culprit here

    Check with SyncBackPro options and remove the task.
    This one should be found also on Scheduled Tasks.

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  1. Spigolo 456 Reputation points
    2020-10-26T13:21:06.83+00:00

    Hi @Hans van der Aa

    I suppose there's a scheduled task which starts every two weeks and which can boot the system.
    Check Event Viewer in this timeframe to find out which one.

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  2. Hans van der Aa 21 Reputation points
    2020-10-26T14:37:58.55+00:00

    @Spigolo There is no scheduled task which starts every two weeks at 3:00, the system is down. There is nothing registered in the Event Viewer.

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  3. Spigolo 456 Reputation points
    2020-10-26T15:03:24.27+00:00

    @Hans van der Aa

    I surely believe you but something is awaking the system.
    Maybe a network Magic Packet. Disable Wake on Lan from BIOS just in case.

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  4. Hans van der Aa 21 Reputation points
    2020-10-26T17:59:17.363+00:00

    I will disable wake on lan and wait two weeks for the results

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