Explanation/Reference:
A: Windows Server 2012 introduced many capabilities to integrate with thin-provisioned devices seamlessly. Thin identification, real-time storage optimization, and Windows Storage Optimizer are all features that allow for the efficient use of thin-provisioned devices. These Windows Server 2012 features coupled with the elastic storage allocation provided by HPE Storage result in better space utilization and efficiency.
References: http://h20195.www2.hp.com/v2/getpdf.aspx/4AA5-4020ENW.pdf
https://mcloudinfo.wordpress.com/2015/02/11/how-to-reclaim-storage-on-hp-3par-systems/