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What's New in NTFS for Windows Server


Updated: July 3, 2014

Applies To: Windows Server 2012 R2

This topic introduces the new features and functionality for NTFS in Windows Server 2012 R2.

A file system is a part of the operating system that determines how files are named, stored, and organized on a volume. A file system manages files and folders, and the information needed to locate and access these items. NTFS allows you to maximize security, availability, and reliability as well as a design for greater storage growth.

The following table describes the new features and improvements for NTFS in Windows Server 2012 R2.


New or updated


Sparse file performance


Sparse file performance is improved to enable increased deduplication performance.

Offline repair for volumes (spot fixing)


A larger number of errors and issues are repaired using the spot-fix corruption handling stages. This results in the file system being offline only for a brief period of time to repair errors. Integration with Cluster Shared Volumes allows online spot-fixing.

Memory changes


The file system cache in the management operating system scales up and down as virtual machine clients consume and release memory. In addition, the file system cache in the guest operating system scales up and down as virtual machines consume and release memory.

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