Having an issue with AMD Hyper-V.

It was working with server 2008 r2 sp1.

Coreinfo reported it has SLAT support and would work with Server 12 \ W8

AMD website lists my processor as having the necessary support for Server 12 \ W8

I flashed to the latest BIOS

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However, I cannot enable Hyper-V.  And the BIOS provides no handles that I can see - I've scoured it. 

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M5 A88-V EVO BIOS 1202

AMD Phenom II x4 975

Coreinfo reports SVM & NP are supported (*)

Help?

Thanks!

A list of all available Hyper-V Role updates can be found here:

http://social.technet.microsoft.com/wiki/contents/articles/1349.hyper-v-update-list-for-windows-server-2008-r2.aspx

The following may be relevant:

Yeah, I had the AVX problem too.

Try download the patch and run it like this:

Hi,

Please check that if your server support virtualization, refer to the following article.

http://blogs.msdn.com/b/volkerw/archive/2007/05/21/hardware-virtualization-check-utility.aspx

BTW, I want to say you should enable Hardware virtualization in the BIOS.

http://blogs.technet.com/b/brad_rutkowski/archive/2008/01/26/does-my-cpu-support-hardware-virtualization-hyper-v.aspx

Thanks everyone.  It turns out that I needed to enable Secure Virtualization Mode in the BIOS.  I intentionally overlooked this setting because I stupidly confused it with Trusted Execution and because I have ran Hyper-V on this system before, without changing this setting. 

This cleared up my confusion:  http://forums.amd.com/forum/messageview.cfm?catid=318&threadid=101780

This is complete guide to nesting hyperv.

http://kunaludapi.blogspot.in/2012/05/get-hyperv-working-in-vmware.html