SBS 2008 Reboot Loop

Posted on 2011-10-14
Last Modified: 2012-05-12
Another tech made some changes to the registry, and this server would not start a bunch of essential services such as DNS, AD, or MS Exchange, so we though we would do a full recovery from the SBS backups that run each night.

After running a complete recovery by booting off the SBS2008 server CD, and attaching the USB backup HDD, the server now is in an endless reboot loop.

The HDD setup is LSI raid, on-board, SAS HDDs.  I installed the RAID drivers from the motherboard CD during the windows setup screens for bare metal recovery.

I have tried a few different times now, but each time, the recovery completes successfully, then the system reboots normally and yet it never will boot, safe mode, last known good config, all have been tried.

Any ideas anyone?  I am fresh out!!
Question by:jshoff
    LVL 17

    Expert Comment

    by:Kent Dyer
    Can you Boot into safe mode?  If so, can you recover to say yesterday?  Or, can you find out what the tech did and you back out the change.

    Other than that, you may have to use something like Window Ultimate Boot CD and attach to the registry to fix or backout your problem and then reboot without the cd in place.  But, I suspect you can get into safe mode?


    LVL 17

    Assisted Solution

    Except that he said he can't get into safe mode :)

    Accepted Solution

    OK, so I solved it myself at about 3am last night.

    The reboot loop was caused by the RAID drivers I was installing during the recovery process.  When you boot off of the SBS2008 CD you have to install RAID drivers for the LSI on board controller.  We were initially using the ones off of the ASUS mobo CD.  I went on the ASUS website and downloaded the latest version of the LSI raid drivers for that ASUS server.

    Installing that newer driver during the recovery process allowing for a 100% successful bootup after the recovery finished.


    So, do I get points for answering my own questions?  :)

    Author Closing Comment

    The SBS recovery process is very good, almost perfect.  Just make sure you have the correct RAID drivers.

    I wold recommend that when building a new server the correct RAID drivers be put on a USB stick, and left with notes with the SBS CDs.  Tis way in the future, it is fast and easy to recover your server if you need to.

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