Amazon FSx for Windows File Server, a service that provides fully managed native Microsoft Windows file systems, now enables storage administrators to view a list of file system users and of open files, and to restore activity on files locked by inactive users.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/amazon-fsx-for-windows-file-server-enables-administrators-to-restore-activity-on-files-locked-by-inactive-users/