Avamar: Hyper-V-sikkerhedskopier mislykkes med "Kunne ikke hente vss-sikkerhedskopifiler til alle målene."

Summary: Denne vidensbaseartikel (KB) indeholder en løsning vedrørende mislykkede Hyper-V-sikkerhedskopieringer på grund af VSS-forfattere (Volume Shadow Copy Services).

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Symptoms

Avamar Hyper-V-sikkerhedskopieringer kan mislykkes med fejl, der ligner følgende: 

avhypervvss Error <41606>: Failed to fetch vss backup files for all the targets. Internal error.
avhypervvss Error <41586>: Failed to backup targets. Unable to assign vss reported backup files for all targets
avhypervvss Error <41662>: Failed to validate and expand the targets.
avhypervvss Error <41659>: Backup did not complete successfully

Cause

Hyper-V VSS-forfatteren kan være i en mislykket tilstand. Dette kan bekræftes ved at åbne Windows Command eller PowerShell-prompten og køre vssadmin list writers (ingen anførselstegn):
 

Writer name: 'Microsoft Hyper-V VSS Writer'
   Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de}
   Writer Instance Id: {5713fd6b-5154-4a3b-a6ef-4973bfea66c9}
   State: [1] Failed
   Last error: No error



 

Resolution

Åbn ikonet services.msc konsollen, og genstart Hyper-V Virtual Machine Management-tjenesten på Hyper-V-værtsmaskinen. 

MS Services Management Console

 

Bekræft, at Hyper-V VSS Writer er i en god eller stabil tilstand ved at køre følgende kommando fra en Windows Command eller PowerShell-prompt:

vssadmin list writers

 

Affected Products

Avamar, Avamar Plug-in for Hyper-V VSS, Integrated Data Protection Appliance Family
Article Properties
Article Number: 000039786
Article Type: Solution
Last Modified: 11 Dec 2025
Version:  5
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