Error code: 32768 - Failed to create checkpoint on collection 'Hyper-V Collection'
This issue occurs because Windows can't query the cluster service inside the guest VM. To fix this issue, ensure that the cluster feature is installed on all guest VMs and the cluster service is running.
Error code: 32770 - Active-active access is not supported for the shared VHDX in VM group
This issue occurs because the VHDS disk is used as a Cluster Shared Volume (CSV), which cannot be used for creating checkpoints. To fix this issue, you need to use each disk as a shared disk instead of a Cluster Shared Volume. You can do this by using the "Remove from Cluster Shared Volume" option in the cluster manager GUI.
Error code: 32775 - More than one VM claimed to be the owner of shared VHDX in VM group 'Hyper-V Collection'
This issue occurs because the shared drive was offline in the guest cluster. To fix this issue, make sure that all shared drives in the cluster that are part of the backup are online.
Error Event 19100 - Hyper-V-VMMS 19100 'BackupVM' background disk merge failed to complete: General access denied error (0x80070005)
This issue occurs because of a permission issue. To fix this issue, the folder that holds the VHDS files and their snapshot files must be modified to give the VMMS process additional permissions. To do this, follow these steps:
- Determine the GUIDS of all VMs that use the folder. To do this, start PowerShell as administrator, and then run the following command: