A task like this will appear being initiated by administrator@vsphere.local
"Deletion of file or directory [DATASTORE_NAME] VM_NAME from DATASTORE_NAME was initiated from 'VMware vim-java.1.0@127.0.0.1' and completed with status success."
vCenter Server Appliance 8.0.x
ESXi host 8.0.x
vCenter and ESXi hosts have no automatic action to delete virtual machines directories.
This event indicates an intentional action to delete the directory, that can be due to manual action performed by logging in to vSphere Web Client or an automatic deletion triggered by external solutions that are authenticating with vCenter with the administrator account.
Take proactive actions to prevent undesirable operations to be performed on vSphere, for instance:
Note: VMFS does not support file-level undelete operations. Upon deletion, data is permanently purged from the datastore. Recovery is strictly impossible unless the file is restored from a previously validated backup or entirely recreated.