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other: 0.863
device: 0.848
graphic: 0.807
vnc: 0.793
semantic: 0.671
network: 0.645
files: 0.645
socket: 0.602
PID: 0.585
performance: 0.505
boot: 0.456
permissions: 0.435
debug: 0.304
KVM: 0.177
qemu-ga update resetting VssOption Registry key to default
Description of problem:
Before I installed the .exe from iso `virtio-win-0.1.271.iso`, I had value 5 in registry key `HKLM:\SYSTEM\CurrentControlSet\Services\QEMU Guest Agent VSS Provider\VssOption`.
After the driver update by the .exe, the value was set to 1.
This registry key shouldn't change in driver update, as its value was manually set to 5 and it is important to preserve MSSQL backups in Proxmox.
Source:
https://blog.datact.ch/backup-mssql-server-with-proxmox
https://forum.proxmox.com/threads/pbs-breaking-customer-sql-backups-backups-without-fs-freeze.111526/
Steps to reproduce:
1. Set a value to `HKLM:\SYSTEM\CurrentControlSet\Services\QEMU Guest Agent VSS Provider\VssOption` other than 1.
2. Install the .exe from version 0.1.271.
3. Check the key value.
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