Enable data deduplication using WAC and compression on a Storage Spaces Direct volume as follows.
- Go to .
- Click the volume on which to enable data deduplication.
- In the optional features, switch the ON button to enable deduplication and compression on that volume. The Enable Deduplication window is displayed.
- Click Start and select Hyper-V from the drop-down list.
- Click Enable Deduplication. Deduplication is enabled, and the Storage Spaces Direct volume is compressed.