Server 2003 has rebooted from a bugcheck. The bugcheck was: 0x0000009c (0x00000000, 0x00000000, 0xb2000000, 0x1040080f). Replaced UPS, Power supply, scanned, defragged and re-mirrored hard drives. Any clue?

It seems to be server crash issue, you may need to check this Kb article http://support.microsoft.com/?kbid=162363&sd=RMVP or else analyze the crash dump file to analysis the root cause of the issue. Please contact Microsoft Customer Service directly so that the memory dump file can be analyzed and this issue can be resolved efficiently. You may obtain the phone numbers for specific technology request please take a look at the web site listed below: https://support.microsoft.com/common/international.aspx?iid=174859&iguid=56907522-6886-4238-a70f-a1d06a4473c7_2_2&rdpath=1 For your reference: Here are some steps to temporally to make the system not automatically restart when the issue occurs. Steps. 1. Right-click "My Computer" and select "Properties" on the desktop 2. Click on the "Advanced" 3. Click "Settings" in the area of "Startup and Recovery" 4. In the prompt dialog box, uncheck the "Automatically restart" in the area of "System failure" 5. Click OK. I also included a MSDN blog to describe how to install Windbg and get the memory dump as followed. How to install Windbg and get your first memory dump http://blogs.msdn.com/johan/archive/2007/01/11/how-to-install-windbg-and-get-your-first-memory-dump.aspx Hope the issue will be resolved soon. http://www.virmansec.com/blogs/skhairuddin

Bug Check Code 0x9c: The MACHINE_CHECK_EXCEPTION bug check has a value of 0x0000009C. This bug check indicates that a fatal machine check exception has occurred. For more information, refer to this Microsoft article. Please use Windows Live Skydrive to upload dump files (c:\windows\minidumps). Once done, please post the link here so that I download and analyze them. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration