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BugZero found this defect 4176 days ago.
The following error occurs during a task that utilizes the Microsoft VSS subsystem: VSSControl: -2147467259 Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. VSS asynchronous operation is not completed. Operation: [Shadow copies commit]. Code: [0x8004231f]. Of specific importance is the error code value, either: -2147467259 or 0x8004231f.
This error can be caused by: insufficient disk space on one or more volumes of the machine that is being backed up. [Most Common cause] Note: This can include the System Reserved Partition. a defined shadow storage associations with a maximum size that is smaller than what is necessary to create the shadow copy a volume larger than the maximum size Microsoft VSS supports (64TB). Operation: [Shadow copies commit]. Code: [0x80042306]
Verify Sufficient Free Space Within the VM guest OS that cannot be backed up or replicated, use the Disk Management utility (diskmgmt.msc) to view free space on each NTFS volume:
It is not necessary to enable shadow copies for shared folders. It is normal for “Next Run Time” to show "Disabled". Volume Shadow Copy Service - General Concept and Limitations