When this issue occurs, the SMB server requires a manual restart for recovery.
Known issues in update rollup 3161606Symptom
Running data deduplication on a Cluster Shared Volume (CSV) on Windows Server 2012 R2 based-Hyper V cluster may impact live migration where resource hosting subsystem (RHS) may deadlock and crash with 0x9E Stop error.
This issue occurs because of an incorrect status returned by data deduplication driver to the CSV file system causing a 0x9E Stop error.
To fix this issue, download and install July 2016 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (KB3172614).
Article ID: 3135021 - Last Review: Jul 22, 2016 - Revision: 1