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Servers are rebooting due to: Operating System: Service pack (Planned)

Ben Rebischke 40 Reputation points
2025-03-19T16:20:01.4133333+00:00

I have 7 servers for this customer. 3 of them Hyper-V/physical servers. 4 of them VM's on the Hyper-V's.

Every 2nd week of each month, alternating each month between the Tuesday and Wednesday of that week, some of the servers (primarily the phyisical ones) update and reboot due to Operating System: Service pack (Planned).

The event log specifically states what the attached image says:xktl1c0t

Does anyone have a way to stop this? I've tried GPOs to disable automatic updates but that didn't work. I'm thinking maybe setting the service to start manually? I'm using Datto RMM for patch management but apparently these get through their patch policies.

This only happens for these customers servers, so I just don't get why this is happening.

Any help would be great, on what to try!

Windows for business | Windows Server | User experience | Other
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Answer accepted by question author

Anonymous
2025-03-21T01:29:13.39+00:00

Hello Ben Rebischke,

Thank you for posting in Q&A forum.

Here are some steps you can take to troubleshooting the automatic update on server:

1. Disable Automatic Updates via SConfig:

• Open PowerShell as Admin.

• Run SCONFIG.

• Select option 5 and choose M for Manual updates.

2. Set Windows Update Service to Manual:

• Open services.msc.

• Find Windows Update, set Startup type to Manual or Disabled.

3. Review Datto RMM Policies:

• Ensure policies prevent automatic updates and reboots.

• Re-audit devices to refresh policy.

I hope the information above is helpful.

If you have any questions or concerns, please feel free to let us know.

Best Regards,

Daisy Zhou

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