Window 8 / Server 2012 computers reboot outside of maintenance window after installing updates

Window 8 / Server 2012 computers reboot outside of maintenance window after installing updates

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Currently, Windows 8 and Windows Server 2012 RTM computers check for updates from Windows Update or Windows Software Update Services (WSUS) daily at a default time of 3:00 AM (configurable) as part of an automatic maintenance task which runs every day.

If any of the updates applied required a reboot, clients and servers may reboot during production hours instead of during maintenance windows which can be defined in the following group policy:

Computer Configuration\Administrative Templates\Windows Components\Windows Update\Configure Automatic Updates

We have released an update KB2885694 which ships as part of cumulative rollup KB2883201. This update will change the behavior so computers honor fix installation times defined in the policy instead of the automatic maintenance task.

For a complete technical explanation, please visit our WSUS blog below:

Enabling a more predictable Windows Update experience for Windows 8 and Windows Server 2012 (KB 2885694)

Jim Collins
Senior Support Escalation Engineer
Microsoft Commercial Technical Support

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  • Does Windows 8.1 RT supports 64-bit ARMv8 processors? No reply on technet forums so far.. Please confirm.

  • With the update KB2885694 the server would reboot just the day that you have define in the GPO for install updates or the behavior is that the server will try to install and reboot every night.

  • Windows 7 or Windows 8 Migration has become important to eliminate risks of end support for windows XP.

  • How can I apply this update to Windows Storage Server 2012 R2? I'm experiencing exact issue.

  • Good day,

    KB2883201 is installed and the server still reboots after windows updates. Windows server 2012. Any help appreciated.