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STATUS_RKF_STORE_FULL
The RKF handle store exhausted its entry capacity
This status applies to the shared RKF store rather than to one handle’s metadata blob. The filter has reached the number or storage limit for resume-handle records and cannot preserve another handle for transparent recovery. Existing continuously available opens can therefore prevent new persistent handles from being granted.
A full store can indicate unusually high handle counts, stale records that were not reclaimed after clients disappeared, repeated failover churn, or storage problems affecting the ResumeKeyFilter.Store file. The correct response is to inspect ownership and cleanup behavior, not to delete the store while clustered workloads are active.
What to inspect
- Measure active and disconnected persistent handles per share, node, client, and file server role.
- Check SMB and failover-cluster events for reconnect timeouts and failed cleanup operations.
- Inspect free space, health, and access to the System Volume Information store location.
- Plan a controlled remediation with the file-server workload owner before resetting RKF state.
References
- Microsoft Open Specifications: NTSTATUS values
- Microsoft: Scale-Out File Server overview
- Microsoft: SMB 3 file server features
- Microsoft: RKF_BYPASS_ECP_CONTEXT
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