Unable to install Windows 2008 R2 64bit as a virtual machine
search cancel

Unable to install Windows 2008 R2 64bit as a virtual machine


Article ID: 302589


Updated On:


VMware vSphere ESXi


  • Windows 2008 64bit fails to install
  • You see error messages similar to:
    • Windows failed to start. A recent hardware or software change might be the cause.
      To fix the problem:
      1. Insert your windows installation disc and restart your computer.
      2. Choose your language settings and then click next
      3. Click repair the computer

      If you do not have this disc, contact your system administrator or computer manufacturer for assistance
      File : \windows\system32\boot\winload.exe
      STATUS : 0xc000035a
      Info : Attempting to load a 64-bit application, however this CPU is not compatible with 64-bit mode.

    • This CPU is VT-capable, but VT is not enabled

  • You may see messages similar to:

    Host CPU is incompatible with the virtual machine's requirements at CPUID level 0x800000001 register "edx".
    Host bits 0000:0000:0001:0000:0000:0000:0000:0000
    Required: xx1x:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:
    Mismatch detected for these features:
    * Longmode, required when a virtual machine is configured for a 64-bit guest OS

  • You may see log events in the virtual machine Events tab and vmware-#.log similar to:

    [msg.monitorInit.vmm64.initHost.VTDisabled] This CPU is VT-capable, but VT is not enabled (check your BIOS/firmware settings).
    vmx| [msg.cpuid.noLongmode] You have configured this virtual machine as a 64-bit guest operating system. However, this host's CPU is not capable of running 64-bit virtual machines or this virtual machine has 64-bit support disabled.
    vmx| For more detailed information, see http://www.vmware.com/info?id=152

64bit-compatible-hardware 64bit-installation-fails 64bit-os-installation-fails


VMware ESXi 3.5.x Installable
VMware ESX Server 3.5.x
VMware ESX 4.0.x
VMware ESXi 4.1.x Installable
VMware ESXi 4.0.x Embedded
VMware ESXi 3.5.x Embedded
VMware ESX 4.1.x
VMware ESXi 4.1.x Embedded
VMware ESXi 4.0.x Installable


This issue can occur if certain options in the BIOS are not enabled. These options vary by hardware manufacturers. For more information, contact your hardware vendor.
To resolve this issue:
  1. Verify that the following options are enabled on your server's BIOS:
    • No-Execute Memory Protection
    • Execute Disable
    • Virtualization Technology (VT)
  2. Save the settings in your server's BIOS.
  3. Power off the ESX host to ensure the options are saved to the system ROM.
  4. Power up your ESX host.

Additional Information

无法将 Windows 2008 R2 64 位安装为虚拟机