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My backup provider says we need to delete the registry key for Hyper-V IC Software Shadow Copy Provider

ic_kelley 46 Reputation points
2022-09-29T18:03:48.727+00:00

We have been having failed backups due to a VSS error on our VMs (Hyper-V). Our backup provider - BackupAssist - determined that their software uses a specific backup provider, and that the Hyper-V IC Software Shadow Copy Provider is interfering with our backup. Their solution is to delete the registry key for the Hyper-V IC Software Shadow Copy Provider.

What sort of repercussions could follow the deletion of this provider (besides the typical registry modifications issues)?

Event 12293 VSS
Volume Shadow Copy Service error: Error calling a routine on a Shadow Copy Provider {74600e39-7dc5-4567-a03b-f091d6c7b092}. Routine details PostFinalCommitSnapshots({e427dc7f-a038-433d-8c48-f950a2c8f117}, 4) [hr = 0x80070020, The process cannot access the file because it is being used by another process.
].

Operation:
Executing Asynchronous Operation

Context:
Current State: DoSnapshotSet

Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
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  1. Limitless Technology 44,766 Reputation points
    2022-10-03T07:36:26.757+00:00

    Hello there,

    I am not sure what all would be the effect of deleting the registry but these errors are commonly preceded by a warning in the Event Viewer from the VSNAPVSS executable. The VSNAPVSS Executable is announcing that it had to stop due to a failure or delay with VSS.

    Before deleting the registry I would you to try the generic troubleshooting steps for this error code and see if that helps.

    Event ID 12293 — Volume Shadow Copy Service Operations

    https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc734302(v=ws.10)?redirectedfrom=MSDN

    Event ID 12298 — Volume Shadow Copy Service Operations

    https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc734401(v=ws.10)?redirectedfrom=MSDN

    Windows Server 2019 VSS Errors (Event ID 12293) When Backup Runs https://learn.microsoft.com/en-us/answers/questions/355936/windows-server-2019-vss-errors-event-id-12293-when.html

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