Windows DatabaseebooksStatistical Information

LWE10204 : Error "Attempting to load a 64-bit application, however this CPU is not compatible with 64-bit mode" upon installation of Windows Server 2008 on Virtual Machine

Symptom:

Although 64-bit CPU and functional 32-bit VMs, no Windows Server 2008 installation possible on VMWare

Cause:

Intel BIOS - processor options are set to "Virtualization Technology" disabled

Solution:

Scenario:

VMWare ESX Server, Dual Intel Xeon 2.5GHz, HP ML350 G5: Installation of Windows 200.

After files have been loaded, the Boot Manager stops with the following screen:

"Windows failed to start...
1. Insert your Windows installation disc and restart your computer.
2. Choose your language settings, and then click "Next".
3. Click "Repair your computer."
...
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"

In this case, shut down your computer and enter your System BIOS. On above mentioned server it´s under "Advanced Options" - "Processor Options" - "Intel VT: Virtualization Technology" --> this setting has to be enabled (and is disabled by default).

On other computers the menus might differ, but with Intel CPUs/Chipsets this setting should be alike.

VMWare does not need to be reinstalled after changing this BIOS setting.


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