Article ID: 954282 - Last Review: September 11, 2011 - Revision: 3.0 The VMBus device does not load on a virtual machine that is running on a Windows Server 2008-based computer that has Hyper-V installed
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows
(http://windows.microsoft.com/en-us/windows/help/end-support-windows-xp-sp2-windows-vista-without-service-packs)
. SYMPTOMSConsider the following scenario.
CAUSEThis issue occurs because the hardware abstraction layer (HAL) is not automatically updated in Windows Server 2008. (This is also true in Windows Vista.) When a virtual machine is created by using Virtual Server or Virtual PC, the Advanced Configuration and Power Interface (ACPI) HAL is used. The Integration Services require an Advanced Programmable Interrupt Controller (APIC) HAL to load the VMBus device correctly. RESOLUTIONTo resolve this issue, follow these steps:
MORE INFORMATIONFor more information about Hyper-V technology, visit the following Microsoft Web site: http://technet2.microsoft.com/windowsserver2008/en/library/c513e254-adf1-400e-8fcb-c1aec8a029311033.mspx?mfr=true
(http://technet2.microsoft.com/windowsserver2008/en/library/c513e254-adf1-400e-8fcb-c1aec8a029311033.mspx?mfr=true)
APPLIES TO
| Other Resources Other Support Sites
CommunityGet Help NowArticle Translations
|





















Back to the top