For VMs hosted on Microsoft Hyper-V Server 2016, the Max snapshots value defines the maximum number of checkpoints that may be retained for a processed VM. The setting is specified at the level of a volume on which VM disks reside.
nmdange wrote:So if I occasionally get VMs that fail with the error "Failed to add volume to the VSS snapshot set. Another shadow copy creation is already in progress", would lowering the max concurrent snapshots help prevent that from happening?
nmdange wrote:Also I understand in the case of Hyper-V 2012 R2 this would lower the number of VMs that can be backed up concurrently from the same volume.
foggy wrote:No, this settings controls the number of snapshots that can exist at the same time, while what you see I guess is just another backup running in parallel.
foggy wrote:No, the number of VMs backed up from a single snapshot is configured with the help of the registry values.
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