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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
Article ID: 954282 - View products that this article applies to.
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Consider the following scenario.
This 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.
To resolve this issue, follow these steps:
For more information about Hyper-V technology, visit the following Microsoft Web site:
Article ID: 954282 - Last Review: September 11, 2011 - Revision: 3.0