A systems administrator is provisioning a new 20 TB data volume on a Windows Server 2022 file server. Management wants the volume formatted with ReFS so that integrity streams and block-cloning can be used for virtual-machine storage. However, the server operations team also needs to enforce Active Directory-based per-user storage limits on the same volume for home directories. Which ReFS limitation will prevent the team from meeting all of these requirements with a single ReFS-formatted volume?
ReFS cannot use data deduplication, so space-saving features would be unavailable.
ReFS volumes cannot be added to a Storage Spaces pool for resiliency.
ReFS volumes do not support Windows disk-quota enforcement.
ReFS volumes cannot host a system page file, which would block paging operations.
ReFS provides resiliency and performance features such as integrity streams and block-cloning, but it still lacks several classic NTFS capabilities. One of the most significant omissions is native support for disk quotas, which Windows uses to enforce per-user or per-folder space limits. Because disk-quota functionality is unavailable on ReFS volumes, the administrator would have to re-format the volume with NTFS-or use a third-party solution-if user-level quota enforcement is mandatory.
The other options describe features that ReFS does support in current Windows Server releases:
ReFS gained data-deduplication support starting with Windows Server 2019.
ReFS volumes can host a system page file.
ReFS works as a file-system choice on top of Storage Spaces (including Storage Spaces Direct) and therefore can participate in storage pools.
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