19013: Acronis Backup & Recovery 10 Advanced Server Virtual Edition: Hyper-V Backup Fails with "Volume Shadow Copy Service error: Unexpected error calling routine" (Event ID = 8193)

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Last update: 16-02-2011

Download and run the script on the host machine to fix the issue

This article applies to:

  • Acronis Backup & Recovery 10 Advanced Server Virtual Edition - Agent for Hyper-V

Symptoms

  1. You have Acronis Agent for Hyper-V installed on a host system;
  2. An attempt to back up guest systems via Acronis Agent for Hyper-V fails with the following error message in the Windows Event Log:

    Event Type: Error
    Event Source: VSS
    Event Category: None
    Event ID: 8193
    Date: 2/24/2009
    Time: 8:46:34 AM
    User: N/A
    Computer: %SystemName%
    Description:
    Volume Shadow Copy Service error: Unexpected error calling routine

    For information on how to view Event Logs see Exporting and Viewing Windows Event Logs.

Cause

On the host system, the following registry key is missing:

  • HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{F2C2787D-95AB-40D4-942D-298F5F757874}

Solution

To fix the issue, download and run the following script on the host machine:

Running the script will add the missing key to the registry on the host machine. The issue will then be resolved.

More information

Contact Acronis Support if you need assistance.

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