I have a policy in place for some Windows 2012 R2 servers to auto install updates and reboot on a Saturday morning. They seem to ignore this schedule and reboot the evening/early morning after I approve the updates.
My guess is that it might be the “Install during automatic maintenance” setting being enabled? Does that override a schedule?
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Do you have the latest GPOs? There was a setting introduced in Server 2012 R2 that basically said "Restart right now’ after updates were installed.
Something like "Restarting in 15 minutes" Automatic Updates Server 2012
EDIT:
See solution here. “Always restart at scheduled time”
Hi,
A while back there was a "feature" in Server 2012 that meant your GPO wasn't working with Automatic updates. Auto updates are downloaded and installed but the reboot isn't scheduled in as it should be. The maintenance window takes over and forces the server to reboot in 3 days or in 15mins if you log onto the server and there is no option to cancel the Install
There was a fix by Microsoft at the time found here
We have this KB installed on our servers but still get the issue. I just lo…
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I’ve updated AD with the 1807 GPO so I assume that we are on the latest version (certainly later than the server version) - I note the best answer in other post is to have the maintenance window UNTICKED, other settings were as per my current ones.
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dbeato
(dbeato)
August 7, 2018, 3:21am
4
Yeah, that setting would definitely get overwritten.