Check manual page of hyperv_checkpoints
Hyper-V VMs: Age of oldest Checkpoint
This checks queries a Microsoft Hyper-V Server via an agent plugin (hyperv_vms_guestinfos.ps1).
It returns for each VM a list of Checkpoints (Snapshots) and the age using pickyback.
Leves for WARN and CRIT can be set using Wato.
One service will be created for each system.