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== How to Check if Your CPU Supports Second Level Address Translation (SLAT) ==
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Never enable the Hyper-V role on a DC. You should rather either install your OS with no other role than Hyper-V, or install just Server core that acts as a Hyper-V server. You can then install VM's under that and make them DC's.

A DC should be dedicated to DC tasks (DC, DNS, DHCP etc), and Hyper-V should be dedicated for Hyper-V. 

  You need open an elevated command prompt, read “run as administrator”.
  Now you will need to navigate to the C: Drive, you can do this by typing “cd c:\”

  To see if your processor supports SLAT you will need to run “coreinfo.exe -v”. On an Intel if your processor supports SLAT it will have an asterix in the EPT row. This is seen in the screenshot below.
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 virtualization technology to Enable

 Exectue Disable to Enable

 I/OAT DMA Engine to disable

 SR-IOV Global Enable to enable


 故障依旧，升级BIOS到6.4.0，OK!