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
- You have Acronis Agent for Hyper-V installed on a host system;
- 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
Time: 8:46:34 AM
Volume Shadow Copy Service error: Unexpected error calling routine
For information on how to view Event Logs see Exporting and Viewing Windows Event Logs.
On the host system, the following registry key is missing:
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.
Contact Acronis Customer Central if you need assistance.