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Hmmm, I would start by applying SP1. I would also check to see if there is an updated BIOS.
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Hmmm, I would start by applying SP1. I would also check to see if there is an updated BIOS.

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The only thing i came up with, updates all the drivers and applied the power settings, so far no crashes. &nbsp; &nbsp;Not sure exactly what the problem was, but I see a stop error for hyper-v for westmere processors, but it doesn't allow me to install.
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The only thing i came up with, updates all the drivers and applied the power settings, so far no crashes.    Not sure exactly what the problem was, but I see a stop error for hyper-v for westmere processors, but it doesn't allow me to install.

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HELP!!<br />
<br />
We have a custom built 2008r2 with 24gb ram, 1 5620 processor on a 5520HTC board with Hyper-V. &nbsp; We have frequent reboots (up to 10 a day) &nbsp;I've seen issues with hyper-v and the 5500 series processors, but doesn't look like it applies here. &nbsp;This does have Speedstep enabled and the power management was balanced. &nbsp; &nbsp;I do hear 3 beeps when the server boots, but everything seems fine. &nbsp;<br />
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I've been reading KB's etc on similar problems but no real solution. &nbsp;I do notice it happens overnight alot when the server is basically idle. &nbsp; Should I change the balanced power settings?? &nbsp; Is their a permanent fix to this? &nbsp; I see a hyper-v fix for westmere, but it says it doesn't apply here. <br />
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THOUGHTS?
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HELP!!

We have a custom built 2008r2 with 24gb ram, 1 5620 processor on a 5520HTC board with Hyper-V.   We have frequent reboots (up to 10 a day)  I've seen issues with hyper-v and the 5500 series processors, but doesn't look like it applies here.  This does have Speedstep enabled and the power management was balanced.    I do hear 3 beeps when the server boots, but everything seems fine.  

I've been reading KB's etc on similar problems but no real solution.  I do notice it happens overnight alot when the server is basically idle.   Should I change the balanced power settings??   Is their a permanent fix to this?   I see a hyper-v fix for westmere, but it says it doesn't apply here. 

THOUGHTS?

2008r2 w Hyper-V shuts down and restarts Intel Board 5520HTC and 5620 processor

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.