nbhypervtool.exe

According to the CLI guide it does the following:

The nbhypervtool utility removes orphaned NetBackup WMI checkpoints (snapshots) of a Hyper-V virtual machine on Windows 2016 or later.

This command operates only on Windows systems.

The guide gives these examples for removing snapshots:

Example 3 - Delete NetBackup WMI checkpoints for a virtual machine by its display name:

nbhypervtool.exe deleteNbuCheckpoints -vmname VM1

Example 4 - Delete NetBackup WMI checkpoints for a virtual machine by its GUID:

nbhypervtool.exe deleteNbuCheckpoints -vmguid 4c080c63-72b4-462b-b4b3-372e0f4cab04

The link to the guide for further information is at https://www.veritas.com/support/en_US/doc/123533878-127136857-0/v123551587-127136857