VMM 2008 Managed Hyper-V 's Won't Start

This evening our neighborhood took a large power surge due to a car hitting a power pole. Everything in the house shutdown abruptly, including my local network running Hyper-V hosts and Virtual Machine Manager 2008 (beta).

When the power returned about 60 seconds later, all my physical servers turned back on, but the Hyper-V VMs would not start. The following events were logged in the Hyper-V Event Log:

Log Name: Microsoft-Windows-Hyper-V-Worker-Admin
Source: Microsoft-Windows-Hyper-V-Worker
Date: 6/5/2008 8:36:30 PM
Event ID: 17040
Task Category: None
Level: Error
Keywords:
User: NETWORK SERVICE
Computer: VM.expta.com
Description:The authorization store could not be initialized from storage location 'msxml://C:\ProgramData\Microsoft\Virtual Machine Manager\HyperVAuthStore.xml'. Error: General access denied error (0x80070005).

Log Name: Microsoft-Windows-Hyper-V-VMMS-Admin
Source: Microsoft-Windows-Hyper-V-VMMS
Date: 6/5/2008 8:36:44 PM
Event ID: 15500
Task Category: None
Level: Error
Keywords:
User: SYSTEM
Computer: VM.expta.com
Description:'EDGE STD x64' failed to start worker process: The extended attributes are inconsistent. (0x800700FF). (Virtual machine ID 118D4321-2B6D-4DE3-B1F0-E55BCD1DCD60)

To fix this problem, uninstall the VMM 2008 Local Agent and reinstall it. Catastrophe averted!

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