Event ID 44 — Hypervisor Availability

Updated: April 7, 2009

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

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Hypervisor availability

Event Details

Product: Windows Operating System
ID: 44
Source: Microsoft-Windows-Hyper-V-Hypervisor
Version: 6.0
Symbolic Name: HV_EVENTLOG_BAL_NO_EXECUTE_NOT_DETECTED
Message: Hyper-V launch failed; Either No Execute feature (NX) not present or not enabled in BIOS.

Resolve

Check BIOS No Execute setting

Hyper-V requires hardware support, including: an x64 CPU; VT (Intel) or AMD-V (AMD) hardware extensions; No eXecute (NX)/eXecute Disable (XD) and full BIOS support for hardware virtualization.

Check your physical computer's BIOS settings to ensure that the No Execute BIOS setting is enabled, then turn off the power to your physical computer. Restart the physical computer. NOTE: esetting the physical computer is not sufficient.

You can use the Virtualization Detect (DetectVp.EXE) tool to check if the physical machine meets the requirements for Microsoft Virtualization Software. This test checks virtualization support for both Intel and AMD processors.

To download the WDK .iso file:

1 - Go to the Microsoft Connect Web site at http://go.microsoft.com/fwlink/?LinkID=100623 and sign in with your Windows Live ID.

2 - Enter the Microsoft Connect Web site. Click Connection Directory.

3 - Click Developer Tools, and then click "Windows Driver Kit (WDK), Windows Logo Kit (WLK) and Windows Driver Framework (WDF)."

4 - Click the Download link to download 6.1.6001.18002.081017-1400_wdksp-WDK18002SP_EN_DVD.iso

Verify

Hypervisor successfully starts.

Related Management Information

Hypervisor Availability

Hyper-V

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