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Windows Server 2008 R2 Thread, Server restarts every night in Technical; Hi all, My server keeps restarting itself every night at 3am and 6am. I have checked the minidumps using the ...
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    hfnistelrooy's Avatar
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    Server restarts every night

    Hi all,

    My server keeps restarting itself every night at 3am and 6am.

    I have checked the minidumps using the bluescreen viewer and it is reporting the following error on all the restarts:

    KMODE_EXCEPTION_NOT_HANDLED - ntoskrnl.exe+7f190 and sometimes the mrxsmb10.sys

    I have run a virus scan and the server is clean, the server installed some .net 4 updates before this started but I have uninstalled them all and it is still happening

    Any ideas?

    Thanks

  2. #2
    M0MST
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    Just check in scheduled tasks, see if there is anything set to happen at those times.

    It looks like its based around windows file sharing

    List of currently available hot fixes for the File Services technologies in Windows Server 2008 and in Windows Server 2008 R2

    That may be a good starting point, However if you run windows update I wouldn't have thought it would be an issue.

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    VeryPC_Ed's Avatar
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    Hi hfnistelrooy,

    Can you look in c:\windows\minidump and see if there are any minidump.xml files for around the time when your server is crashing.

    If you can send me some over (my email in my sig), I'll happily debug a few and see if I can locate the exact cause.

    Ed

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    RabbieBurns's Avatar
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    Quote Originally Posted by M0MST View Post
    Just check in scheduled tasks, see if there is anything set to happen at those times.

    It looks like its based around windows file sharing

    List of currently available hot fixes for the File Services technologies in Windows Server 2008 and in Windows Server 2008 R2

    That may be a good starting point, However if you run windows update I wouldn't have thought it would be an issue.
    Hotfixes dont get installed as part of windows updates do they. I thought hotfixes had to be done manually?

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    hfnistelrooy's Avatar
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    thanks for the updates guys, ill remote into the server tomorrow and get the minidumps and see if the hotfix helps

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    Hi there,

    I was wondering if you got anywhere with this ?

    I got the minidumps and thought I had replied to your email back in Dec (apparantly not though !) but from looking at the dumps it seems that savservices.exe (Sophos) is what is causing the restarts.

    I'd check your Sophos is up to date or if it's scanning something at that time as it could be either program fault or maybe some its scanning killing it.

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    ricki's Avatar
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    Hi

    There appears to be several people with this people and people are advising

    Antivirus check
    Malware bytes check
    Mem test
    Hard drive check
    Windows updates
    Latest drives.
    Raid check
    system file check

    The mini dump may help.

    Also if its a hp server see on there site if there are any critical patches.

    Richard
    Last edited by ricki; 11th January 2013 at 12:56 PM.

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    hfnistelrooy's Avatar
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    Quote Originally Posted by VeryPC_Ed View Post
    Hi there,

    I was wondering if you got anywhere with this ?

    I got the minidumps and thought I had replied to your email back in Dec (apparantly not though !) but from looking at the dumps it seems that savservices.exe (Sophos) is what is causing the restarts.

    I'd check your Sophos is up to date or if it's scanning something at that time as it could be either program fault or maybe some its scanning killing it.
    mmm im still experiencing restarts but did not see anything related to Sophos on the minidumps. I kept getting the mrxsmb10.sys errors. I will check to see if Sophos is scanning anything that it shouldnt

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    ricki's Avatar
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    hfnistelrooy's Avatar
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    Yep installed load of hotfixes and it did not restart for 2 weeks and then yesterday bang! crash at 2am and 4am both according to blue screen view was caused by the mrxsmb10.sys file

    pulling my hair out

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    staningrimsby's Avatar
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    Is there anything showing in event viewer at all ???

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    Michael's Avatar
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    I had a very similar problem recently. It was due to the APC UPS performing a self test every two weeks (the default) causing the server to be totally unresponsive.

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    hfnistelrooy's Avatar
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    in the event viewer all i get is the BSOD code and nothing to indicate why it has crashed, the timings are purely random. sometimes the server will restart every night and other times go on for 3 days before the next crash.

    I will have a look at the APC software but if it is running its self test every 2 weeks I would be expecting the server to crash every 2 weeks?

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    markcuk's Avatar
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    do you have any iscsi devices connected to the server?

    I had a BSOD just last week when the Iscsi target dropped off the network

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    hfnistelrooy's Avatar
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    nope no iSCSI devices connected to the server.

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