Server reboots overnight due to WSUS updates being installed


hi all

i'm asking here after suggested windows server 2012 forum may not appropriate.

have windows 2012 server thats hosting number of vm's. update policies set via gpo corporate , on face of ok. particular server though has restarted on few occasions of own accord, typically overnight. whilst server not in use staff backups running @ time fail, hardly ideal!

looking through event viewer can see this:-

event id: 1074, source: user32

process c:\windows\system32\svchost.exe (ukharhs101) has initiated restart of computer ukharhs101 on behalf of user nt authority\system following reason: operating system: recovery (planned)
 reason code: 0x80020002
 shutdown type: restart
 comment: 

update settings in registry below:-

[hkey_local_machine\software\policies\microsoft\windows\windowsupdate]
"targetgroupenabled"=dword:00000001
"targetgroup"="global_must_have_server"
"wuserver"="http://uk8006:8530"
"wustatusserver"="http://uk8006:8530"
"elevatenonadmins"=dword:00000001

[hkey_local_machine\software\policies\microsoft\windows\windowsupdate\au]
"reschedulewaittimeenabled"=dword:00000001
"reschedulewaittime"=dword:0000000a
"autoinstallminorupdates"=dword:00000000
"rebootrelaunchtimeoutenabled"=dword:00000001
"rebootrelaunchtimeout"=dword:0000000a
"detectionfrequencyenabled"=dword:00000001
"detectionfrequency"=dword:00000016
"noautorebootwithloggedonusers"=dword:00000000
"noautoupdate"=dword:00000000
"auoptions"=dword:00000004
"scheduledinstallday"=dword:00000001
"scheduledinstalltime"=dword:00000004
"usewuserver"=dword:00000001

servers should installing updates on sunday morning , rebooting if required, nothing critical running  during time slot.

advice on check next appreciated.

your registry snip, doesn't seem show using "alwaysautorebootatscheduledtime" option?

           key="software\policies\microsoft\windows\windowsupdate\au"
            valuename="alwaysautorebootatscheduledtime">

http://blogs.technet.com/b/wsus/archive/2013/10/08/enabling-a-more-predictable-windows-update-experience-for-windows-8-and-windows-server-2012-kb-2885694.aspx


don



Windows Server  >  WSUS



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