System Protection by default can delete System Restore Points that are local shadow copies. A System Image Restore Point is described as a type ‘Backup’ and is not a shadow copy – it is Metadata that ...
A server was running out of space on the system drive so I investigated the System volume Information folder. Turns out that shadow copy was enabled until it was automatically stopped because of low ...
Disabling system restore should delete these files, but if there's still data in there, take ownership of the folder and add the Administrators group to the ACL on it.