The resolution depends entirely on whether the issue lies with a physical drive in a pool, a virtual disk, or a non-pooled LUN.
Windows Server 2022, Microsoft’s most robust on-premises server operating system to date, introduces enhanced security, hybrid capabilities, and improved storage performance. However, with complexity comes new edge cases in error handling. One of the most puzzling and frustrating alerts administrators encounter in Storage Spaces, Disk Management, or Failover Cluster Manager is the status:
"Online – Data Retrieval Failures Occurred"
At first glance, the message seems contradictory. How can a disk or virtual disk be online yet simultaneously fail to retrieve data? This anomaly indicates a deep-seated I/O issue, often stemming from physical layer degradation, firmware bugs, or misconfigured storage policies. The resolution depends entirely on whether the issue
This article dissects the root causes, provides step-by-step diagnostic procedures, and offers proven resolution strategies for this error on Windows Server 2022.
| Practice | Benefit |
|----------|---------|
| Regular storage validation jobs | Catch metadata corruption early |
| Latest storage drivers & firmware | Avoid compatibility-related retrieval failures |
| Enable MPIO with failover policy | Reduce transient path failures |
| Monitor OperationalStatus via SCOM or Azure Monitor | Proactive alerting |
| Schedule chkdsk on critical volumes | Prevent bad sector propagation |
In Windows Server 2022, the Disk Management service relies on the Virtual Disk Service (VDS) and the Plug and Play Manager to query disk attributes. When you see Online - Data retrieval failures occurred, the server has successfully: | Practice | Benefit | |----------|---------| | Regular
However, it failed to retrieve one or more critical pieces of information, such as:
Key distinction: This is not the same as "Offline" or "Unallocated." The disk is recognized but partially unreadable. The underlying causes are often network-related (iSCSI, SMB), storage fabric issues (Fibre Channel), or driver timeouts.
Windows Server 2022 utilizes SMB 3.1.1, which introduces security features that can block legacy clients or incompatible configurations. However, it failed to retrieve one or more
Run PowerShell as Administrator:
Get-PhysicalDisk | Select FriendlyName, OperationalStatus, HealthStatus, CannotPoolReason
Get-VirtualDisk | Select FriendlyName, OperationalStatus, HealthStatus, FootprintOnPool
Look for OperationalStatus containing OK, Predictive Failure, Degraded, Starting. If you see Predictive Failure or IOError, the root cause is likely physical.