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This article describes how to fix the warning/error “ConfigStoreRootPath cluster parameter is not defined” appearing in the following situations: When attempting add a Windows Server 2016 Hyper-V cluster to the Veeam Backup & Replication Console. When attempting to backup a VM with a shared virtual disk located on a Windows Server 2016 Hyper-V cluster.
In Hyper-V 2016 Microsoft implemented a possibility to share a virtual hard disk (in .vhdx or .vhds format only) between two or more VMs and use that virtual hard disk as shared storage when building guest clusters. When adding a Windows Server 2016 Hyper-V cluster to the Veeam Backup & Replication Console, you must decide where to store metafiles created during the backup process of the VMs from the shared virtual hard disk (i.e. information about snapshot groups, etc.). By default, the metafiles location is not defined, so you need to define it manually.
To check the existing configuration run the following PS command on any node of the cluster:
Related Articles: Veeam KB2709: Backing Up Hyper-V Guest Cluster Based on VHD Set
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